diff --git a/third_party/chromium/base/time/time.cc b/third_party/chromium/base/time/time.cc
index 7006407..0dc892a 100644
--- a/third_party/chromium/base/time/time.cc
+++ b/third_party/chromium/base/time/time.cc
@@ -11,6 +11,7 @@
 #include <sstream>
 
 #include "base/logging.h"
+#include "base/macros.h"
 #include "base/strings/stringprintf.h"
 
 namespace base {
@@ -19,7 +20,7 @@
 
 // static
 TimeDelta TimeDelta::Max() {
-  return TimeDelta(std::numeric_limits<int64>::max());
+  return TimeDelta(std::numeric_limits<int64_t>::max());
 }
 
 int TimeDelta::InDays() const {
@@ -54,10 +55,10 @@
   return static_cast<double>(delta_) / Time::kMicrosecondsPerSecond;
 }
 
-int64 TimeDelta::InSeconds() const {
+int64_t TimeDelta::InSeconds() const {
   if (is_max()) {
     // Preserve max to prevent overflow.
-    return std::numeric_limits<int64>::max();
+    return std::numeric_limits<int64_t>::max();
   }
   return delta_ / Time::kMicrosecondsPerSecond;
 }
@@ -70,46 +71,46 @@
   return static_cast<double>(delta_) / Time::kMicrosecondsPerMillisecond;
 }
 
-int64 TimeDelta::InMilliseconds() const {
+int64_t TimeDelta::InMilliseconds() const {
   if (is_max()) {
     // Preserve max to prevent overflow.
-    return std::numeric_limits<int64>::max();
+    return std::numeric_limits<int64_t>::max();
   }
   return delta_ / Time::kMicrosecondsPerMillisecond;
 }
 
-int64 TimeDelta::InMillisecondsRoundedUp() const {
+int64_t TimeDelta::InMillisecondsRoundedUp() const {
   if (is_max()) {
     // Preserve max to prevent overflow.
-    return std::numeric_limits<int64>::max();
+    return std::numeric_limits<int64_t>::max();
   }
   return (delta_ + Time::kMicrosecondsPerMillisecond - 1) /
       Time::kMicrosecondsPerMillisecond;
 }
 
-int64 TimeDelta::InMicroseconds() const {
+int64_t TimeDelta::InMicroseconds() const {
   if (is_max()) {
     // Preserve max to prevent overflow.
-    return std::numeric_limits<int64>::max();
+    return std::numeric_limits<int64_t>::max();
   }
   return delta_;
 }
 
 namespace time_internal {
 
-int64 SaturatedAdd(TimeDelta delta, int64 value) {
-  CheckedNumeric<int64> rv(delta.delta_);
+int64_t SaturatedAdd(TimeDelta delta, int64_t value) {
+  CheckedNumeric<int64_t> rv(delta.delta_);
   rv += value;
   return FromCheckedNumeric(rv);
 }
 
-int64 SaturatedSub(TimeDelta delta, int64 value) {
-  CheckedNumeric<int64> rv(delta.delta_);
+int64_t SaturatedSub(TimeDelta delta, int64_t value) {
+  CheckedNumeric<int64_t> rv(delta.delta_);
   rv -= value;
   return FromCheckedNumeric(rv);
 }
 
-int64 FromCheckedNumeric(const CheckedNumeric<int64> value) {
+int64_t FromCheckedNumeric(const CheckedNumeric<int64_t> value) {
   if (value.IsValid())
     return value.ValueUnsafe();
 
@@ -117,7 +118,7 @@
   // is. Instead, return max/(-max), which is something that clients can reason
   // about.
   // TODO(rvargas) crbug.com/332611: don't use internal values.
-  int64 limit = std::numeric_limits<int64>::max();
+  int64_t limit = std::numeric_limits<int64_t>::max();
   if (value.validity() == internal::RANGE_UNDERFLOW)
     limit = -limit;
   return value.ValueOrDefault(limit);
@@ -133,7 +134,7 @@
 
 // static
 Time Time::Max() {
-  return Time(std::numeric_limits<int64>::max());
+  return Time(std::numeric_limits<int64_t>::max());
 }
 
 // static
@@ -142,7 +143,7 @@
     return Time();  // Preserve 0 so we can tell it doesn't exist.
   if (tt == std::numeric_limits<time_t>::max())
     return Max();
-  return Time((tt * kMicrosecondsPerSecond) + kTimeTToMicrosecondsOffset);
+  return Time(kTimeTToMicrosecondsOffset) + TimeDelta::FromSeconds(tt);
 }
 
 time_t Time::ToTimeT() const {
@@ -152,7 +153,7 @@
     // Preserve max without offset to prevent overflow.
     return std::numeric_limits<time_t>::max();
   }
-  if (std::numeric_limits<int64>::max() - kTimeTToMicrosecondsOffset <= us_) {
+  if (std::numeric_limits<int64_t>::max() - kTimeTToMicrosecondsOffset <= us_) {
     DLOG(WARNING) << "Overflow when converting base::Time with internal " <<
                      "value " << us_ << " to time_t.";
     return std::numeric_limits<time_t>::max();
@@ -164,11 +165,7 @@
 Time Time::FromDoubleT(double dt) {
   if (dt == 0 || std::isnan(dt))
     return Time();  // Preserve 0 so we can tell it doesn't exist.
-  if (dt == std::numeric_limits<double>::infinity())
-    return Max();
-  return Time(static_cast<int64>((dt *
-                                  static_cast<double>(kMicrosecondsPerSecond)) +
-                                 kTimeTToMicrosecondsOffset));
+  return Time(kTimeTToMicrosecondsOffset) + TimeDelta::FromSecondsD(dt);
 }
 
 double Time::ToDoubleT() const {
@@ -195,10 +192,8 @@
 Time Time::FromJsTime(double ms_since_epoch) {
   // The epoch is a valid time, so this constructor doesn't interpret
   // 0 as the null time.
-  if (ms_since_epoch == std::numeric_limits<double>::infinity())
-    return Max();
-  return Time(static_cast<int64>(ms_since_epoch * kMicrosecondsPerMillisecond) +
-              kTimeTToMicrosecondsOffset);
+  return Time(kTimeTToMicrosecondsOffset) +
+         TimeDelta::FromMillisecondsD(ms_since_epoch);
 }
 
 double Time::ToJsTime() const {
@@ -214,14 +209,14 @@
           kMicrosecondsPerMillisecond);
 }
 
-int64 Time::ToJavaTime() const {
+int64_t Time::ToJavaTime() const {
   if (is_null()) {
     // Preserve 0 so the invalid result doesn't depend on the platform.
     return 0;
   }
   if (is_max()) {
     // Preserve max without offset to prevent overflow.
-    return std::numeric_limits<int64>::max();
+    return std::numeric_limits<int64_t>::max();
   }
   return ((us_ - kTimeTToMicrosecondsOffset) /
           kMicrosecondsPerMillisecond);
@@ -301,11 +296,6 @@
   return os << as_time_delta.InMicroseconds() << " bogo-thread-microseconds";
 }
 
-std::ostream& operator<<(std::ostream& os, TraceTicks trace_ticks) {
-  const TimeDelta as_time_delta = trace_ticks - TraceTicks();
-  return os << as_time_delta.InMicroseconds() << " bogo-trace-microseconds";
-}
-
 // Time::Exploded -------------------------------------------------------------
 
 inline bool is_in_range(int value, int lo, int hi) {
diff --git a/third_party/chromium/base/time/time.h b/third_party/chromium/base/time/time.h
index 1fe1b85..9456cc7 100644
--- a/third_party/chromium/base/time/time.h
+++ b/third_party/chromium/base/time/time.h
@@ -13,13 +13,13 @@
 // TimeDelta represents a duration of time, internally represented in
 // microseconds.
 //
-// TimeTicks, ThreadTicks, and TraceTicks represent an abstract time that is
-// most of the time incrementing, for use in measuring time durations.
-// Internally, they are represented in microseconds. They can not be converted
-// to a human-readable time, but are guaranteed not to decrease (unlike the Time
-// class). Note that TimeTicks may "stand still" (e.g., if the computer is
-// suspended), and ThreadTicks will "stand still" whenever the thread has been
-// de-scheduled by the operating system.
+// TimeTicks and ThreadTicks represent an abstract time that is most of the time
+// incrementing, for use in measuring time durations. Internally, they are
+// represented in microseconds. They can not be converted to a human-readable
+// time, but are guaranteed not to decrease (unlike the Time class). Note that
+// TimeTicks may "stand still" (e.g., if the computer is suspended), and
+// ThreadTicks will "stand still" whenever the thread has been de-scheduled by
+// the operating system.
 //
 // All time classes are copyable, assignable, and occupy 64-bits per
 // instance. Thus, they can be efficiently passed by-value (as opposed to
@@ -45,22 +45,17 @@
 //
 //   ThreadTicks: Benchmarking how long the current thread has been doing actual
 //                work.
-//
-//   TraceTicks:  This is only meant to be used by the event tracing
-//                infrastructure, and by outside code modules in special
-//                circumstances.  Please be sure to consult a
-//                base/trace_event/OWNER before committing any new code that
-//                uses this.
 
 #ifndef BASE_TIME_TIME_H_
 #define BASE_TIME_TIME_H_
 
+#include <stdint.h>
 #include <time.h>
 
 #include <iosfwd>
+#include <limits>
 
 #include "base/base_export.h"
-#include "base/basictypes.h"
 #include "base/numerics/safe_math.h"
 #include "build/build_config.h"
 
@@ -79,9 +74,9 @@
 // For FILETIME in FromFileTime, until it moves to a new converter class.
 // See TODO(iyengar) below.
 #include <windows.h>
-#endif
 
-#include <limits>
+#include "base/gtest_prod_util.h"
+#endif
 
 namespace base {
 
@@ -92,14 +87,14 @@
 // time classes instead.
 namespace time_internal {
 
-// Add or subtract |value| from a TimeDelta. The int64 argument and return value
-// are in terms of a microsecond timebase.
-BASE_EXPORT int64 SaturatedAdd(TimeDelta delta, int64 value);
-BASE_EXPORT int64 SaturatedSub(TimeDelta delta, int64 value);
+// Add or subtract |value| from a TimeDelta. The int64_t argument and return
+// value are in terms of a microsecond timebase.
+BASE_EXPORT int64_t SaturatedAdd(TimeDelta delta, int64_t value);
+BASE_EXPORT int64_t SaturatedSub(TimeDelta delta, int64_t value);
 
-// Clamp |value| on overflow and underflow conditions. The int64 argument and
+// Clamp |value| on overflow and underflow conditions. The int64_t argument and
 // return value are in terms of a microsecond timebase.
-BASE_EXPORT int64 FromCheckedNumeric(const CheckedNumeric<int64> value);
+BASE_EXPORT int64_t FromCheckedNumeric(const CheckedNumeric<int64_t> value);
 
 }  // namespace time_internal
 
@@ -114,11 +109,11 @@
   static TimeDelta FromDays(int days);
   static TimeDelta FromHours(int hours);
   static TimeDelta FromMinutes(int minutes);
-  static TimeDelta FromSeconds(int64 secs);
-  static TimeDelta FromMilliseconds(int64 ms);
+  static TimeDelta FromSeconds(int64_t secs);
+  static TimeDelta FromMilliseconds(int64_t ms);
   static TimeDelta FromSecondsD(double secs);
   static TimeDelta FromMillisecondsD(double ms);
-  static TimeDelta FromMicroseconds(int64 us);
+  static TimeDelta FromMicroseconds(int64_t us);
 #if defined(OS_WIN)
   static TimeDelta FromQPCValue(LONGLONG qpc_value);
 #endif
@@ -127,9 +122,7 @@
   // when deserializing a |TimeDelta| structure, using a value known to be
   // compatible. It is not provided as a constructor because the integer type
   // may be unclear from the perspective of a caller.
-  static TimeDelta FromInternalValue(int64 delta) {
-    return TimeDelta(delta);
-  }
+  static TimeDelta FromInternalValue(int64_t delta) { return TimeDelta(delta); }
 
   // Returns the maximum time delta, which should be greater than any reasonable
   // time delta we might compare it to. Adding or subtracting the maximum time
@@ -140,16 +133,14 @@
   // use this and do arithmetic on it, as it is more error prone than using the
   // provided operators.
   // For serializing, use FromInternalValue to reconstitute.
-  int64 ToInternalValue() const {
-    return delta_;
-  }
+  int64_t ToInternalValue() const { return delta_; }
 
   // Returns the magnitude (absolute value) of this TimeDelta.
   TimeDelta magnitude() const {
     // Some toolchains provide an incomplete C++11 implementation and lack an
-    // int64 overload for std::abs().  The following is a simple branchless
+    // int64_t overload for std::abs().  The following is a simple branchless
     // implementation:
-    const int64 mask = delta_ >> (sizeof(delta_) * 8 - 1);
+    const int64_t mask = delta_ >> (sizeof(delta_) * 8 - 1);
     return TimeDelta((delta_ + mask) ^ mask);
   }
 
@@ -159,9 +150,7 @@
   }
 
   // Returns true if the time delta is the maximum time delta.
-  bool is_max() const {
-    return delta_ == std::numeric_limits<int64>::max();
-  }
+  bool is_max() const { return delta_ == std::numeric_limits<int64_t>::max(); }
 
 #if defined(OS_POSIX)
   struct timespec ToTimeSpec() const;
@@ -176,11 +165,11 @@
   int InHours() const;
   int InMinutes() const;
   double InSecondsF() const;
-  int64 InSeconds() const;
+  int64_t InSeconds() const;
   double InMillisecondsF() const;
-  int64 InMilliseconds() const;
-  int64 InMillisecondsRoundedUp() const;
-  int64 InMicroseconds() const;
+  int64_t InMilliseconds() const;
+  int64_t InMillisecondsRoundedUp() const;
+  int64_t InMicroseconds() const;
 
   TimeDelta& operator=(TimeDelta other) {
     delta_ = other.delta_;
@@ -208,13 +197,13 @@
   // Computations with numeric types.
   template<typename T>
   TimeDelta operator*(T a) const {
-    CheckedNumeric<int64> rv(delta_);
+    CheckedNumeric<int64_t> rv(delta_);
     rv *= a;
     return TimeDelta(time_internal::FromCheckedNumeric(rv));
   }
   template<typename T>
   TimeDelta operator/(T a) const {
-    CheckedNumeric<int64> rv(delta_);
+    CheckedNumeric<int64_t> rv(delta_);
     rv /= a;
     return TimeDelta(time_internal::FromCheckedNumeric(rv));
   }
@@ -227,9 +216,7 @@
     return *this = (*this / a);
   }
 
-  int64 operator/(TimeDelta a) const {
-    return delta_ / a.delta_;
-  }
+  int64_t operator/(TimeDelta a) const { return delta_ / a.delta_; }
   TimeDelta operator%(TimeDelta a) const {
     return TimeDelta(delta_ % a.delta_);
   }
@@ -255,17 +242,19 @@
   }
 
  private:
-  friend int64 time_internal::SaturatedAdd(TimeDelta delta, int64 value);
-  friend int64 time_internal::SaturatedSub(TimeDelta delta, int64 value);
+  friend int64_t time_internal::SaturatedAdd(TimeDelta delta, int64_t value);
+  friend int64_t time_internal::SaturatedSub(TimeDelta delta, int64_t value);
 
   // Constructs a delta given the duration in microseconds. This is private
   // to avoid confusion by callers with an integer constructor. Use
   // FromSeconds, FromMilliseconds, etc. instead.
-  explicit TimeDelta(int64 delta_us) : delta_(delta_us) {
-  }
+  explicit TimeDelta(int64_t delta_us) : delta_(delta_us) {}
+
+  // Private method to build a delta from a double.
+  static TimeDelta FromDouble(double value);
 
   // Delta in microseconds.
-  int64 delta_;
+  int64_t delta_;
 };
 
 template<typename T>
@@ -290,20 +279,21 @@
 template<class TimeClass>
 class TimeBase {
  public:
-  static const int64 kHoursPerDay = 24;
-  static const int64 kMillisecondsPerSecond = 1000;
-  static const int64 kMillisecondsPerDay = kMillisecondsPerSecond * 60 * 60 *
-                                           kHoursPerDay;
-  static const int64 kMicrosecondsPerMillisecond = 1000;
-  static const int64 kMicrosecondsPerSecond = kMicrosecondsPerMillisecond *
-                                              kMillisecondsPerSecond;
-  static const int64 kMicrosecondsPerMinute = kMicrosecondsPerSecond * 60;
-  static const int64 kMicrosecondsPerHour = kMicrosecondsPerMinute * 60;
-  static const int64 kMicrosecondsPerDay = kMicrosecondsPerHour * kHoursPerDay;
-  static const int64 kMicrosecondsPerWeek = kMicrosecondsPerDay * 7;
-  static const int64 kNanosecondsPerMicrosecond = 1000;
-  static const int64 kNanosecondsPerSecond = kNanosecondsPerMicrosecond *
-                                             kMicrosecondsPerSecond;
+  static const int64_t kHoursPerDay = 24;
+  static const int64_t kMillisecondsPerSecond = 1000;
+  static const int64_t kMillisecondsPerDay =
+      kMillisecondsPerSecond * 60 * 60 * kHoursPerDay;
+  static const int64_t kMicrosecondsPerMillisecond = 1000;
+  static const int64_t kMicrosecondsPerSecond =
+      kMicrosecondsPerMillisecond * kMillisecondsPerSecond;
+  static const int64_t kMicrosecondsPerMinute = kMicrosecondsPerSecond * 60;
+  static const int64_t kMicrosecondsPerHour = kMicrosecondsPerMinute * 60;
+  static const int64_t kMicrosecondsPerDay =
+      kMicrosecondsPerHour * kHoursPerDay;
+  static const int64_t kMicrosecondsPerWeek = kMicrosecondsPerDay * 7;
+  static const int64_t kNanosecondsPerMicrosecond = 1000;
+  static const int64_t kNanosecondsPerSecond =
+      kNanosecondsPerMicrosecond * kMicrosecondsPerSecond;
 
   // Returns true if this object has not been initialized.
   //
@@ -315,16 +305,12 @@
   }
 
   // Returns true if this object represents the maximum time.
-  bool is_max() const {
-    return us_ == std::numeric_limits<int64>::max();
-  }
+  bool is_max() const { return us_ == std::numeric_limits<int64_t>::max(); }
 
   // For serializing only. Use FromInternalValue() to reconstitute. Please don't
   // use this and do arithmetic on it, as it is more error prone than using the
   // provided operators.
-  int64 ToInternalValue() const {
-    return us_;
-  }
+  int64_t ToInternalValue() const { return us_; }
 
   TimeClass& operator=(TimeClass other) {
     us_ = other.us_;
@@ -376,16 +362,13 @@
   // when deserializing a |TimeClass| structure, using a value known to be
   // compatible. It is not provided as a constructor because the integer type
   // may be unclear from the perspective of a caller.
-  static TimeClass FromInternalValue(int64 us) {
-    return TimeClass(us);
-  }
+  static TimeClass FromInternalValue(int64_t us) { return TimeClass(us); }
 
  protected:
-  explicit TimeBase(int64 us) : us_(us) {
-  }
+  explicit TimeBase(int64_t us) : us_(us) {}
 
   // Time value in a microsecond timebase.
-  int64 us_;
+  int64_t us_;
 };
 
 }  // namespace time_internal
@@ -403,7 +386,7 @@
  public:
   // The representation of Jan 1, 1970 UTC in microseconds since the
   // platform-dependent epoch.
-  static const int64 kTimeTToMicrosecondsOffset;
+  static const int64_t kTimeTToMicrosecondsOffset;
 
 #if !defined(OS_WIN)
   // On Mac & Linux, this value is the delta from the Windows epoch of 1601 to
@@ -411,12 +394,12 @@
   // 1970-based epochs to the new 1601-based ones. It should be removed from
   // this global header and put in the platform-specific ones when we remove the
   // migration code.
-  static const int64 kWindowsEpochDeltaMicroseconds;
+  static const int64_t kWindowsEpochDeltaMicroseconds;
 #else
   // To avoid overflow in QPC to Microseconds calculations, since we multiply
   // by kMicrosecondsPerSecond, then the QPC value should not exceed
   // (2^63 - 1) / 1E6. If it exceeds that threshold, we divide then multiply.
-  static const int64 kQPCOverflowThreshold = 0x8637BD05AF7;
+  enum : int64_t{kQPCOverflowThreshold = 0x8637BD05AF7};
 #endif
 
   // Represents an exploded time that can be formatted nicely. This is kind of
@@ -491,7 +474,7 @@
 
   // Converts to Java convention for times, a number of
   // milliseconds since the epoch.
-  int64 ToJavaTime() const;
+  int64_t ToJavaTime() const;
 
 #if defined(OS_POSIX)
   static Time FromTimeVal(struct timeval t);
@@ -555,8 +538,7 @@
  private:
   friend class time_internal::TimeBase<Time>;
 
-  explicit Time(int64 us) : TimeBase(us) {
-  }
+  explicit Time(int64_t us) : TimeBase(us) {}
 
   // Explodes the given time to either local time |is_local = true| or UTC
   // |is_local = false|.
@@ -571,7 +553,6 @@
 
 // static
 inline TimeDelta TimeDelta::FromDays(int days) {
-  // Preserve max to prevent overflow.
   if (days == std::numeric_limits<int>::max())
     return Max();
   return TimeDelta(days * Time::kMicrosecondsPerDay);
@@ -579,7 +560,6 @@
 
 // static
 inline TimeDelta TimeDelta::FromHours(int hours) {
-  // Preserve max to prevent overflow.
   if (hours == std::numeric_limits<int>::max())
     return Max();
   return TimeDelta(hours * Time::kMicrosecondsPerHour);
@@ -587,52 +567,47 @@
 
 // static
 inline TimeDelta TimeDelta::FromMinutes(int minutes) {
-  // Preserve max to prevent overflow.
   if (minutes == std::numeric_limits<int>::max())
     return Max();
   return TimeDelta(minutes * Time::kMicrosecondsPerMinute);
 }
 
 // static
-inline TimeDelta TimeDelta::FromSeconds(int64 secs) {
-  // Preserve max to prevent overflow.
-  if (secs == std::numeric_limits<int64>::max())
-    return Max();
-  return TimeDelta(secs * Time::kMicrosecondsPerSecond);
+inline TimeDelta TimeDelta::FromSeconds(int64_t secs) {
+  return TimeDelta(secs) * Time::kMicrosecondsPerSecond;
 }
 
 // static
-inline TimeDelta TimeDelta::FromMilliseconds(int64 ms) {
-  // Preserve max to prevent overflow.
-  if (ms == std::numeric_limits<int64>::max())
-    return Max();
-  return TimeDelta(ms * Time::kMicrosecondsPerMillisecond);
+inline TimeDelta TimeDelta::FromMilliseconds(int64_t ms) {
+  return TimeDelta(ms) * Time::kMicrosecondsPerMillisecond;
 }
 
 // static
 inline TimeDelta TimeDelta::FromSecondsD(double secs) {
-  // Preserve max to prevent overflow.
-  if (secs == std::numeric_limits<double>::infinity())
-    return Max();
-  return TimeDelta(static_cast<int64>(secs * Time::kMicrosecondsPerSecond));
+  return FromDouble(secs * Time::kMicrosecondsPerSecond);
 }
 
 // static
 inline TimeDelta TimeDelta::FromMillisecondsD(double ms) {
-  // Preserve max to prevent overflow.
-  if (ms == std::numeric_limits<double>::infinity())
-    return Max();
-  return TimeDelta(static_cast<int64>(ms * Time::kMicrosecondsPerMillisecond));
+  return FromDouble(ms * Time::kMicrosecondsPerMillisecond);
 }
 
 // static
-inline TimeDelta TimeDelta::FromMicroseconds(int64 us) {
-  // Preserve max to prevent overflow.
-  if (us == std::numeric_limits<int64>::max())
-    return Max();
+inline TimeDelta TimeDelta::FromMicroseconds(int64_t us) {
   return TimeDelta(us);
 }
 
+// static
+inline TimeDelta TimeDelta::FromDouble(double value) {
+  double max_magnitude = std::numeric_limits<int64_t>::max();
+  TimeDelta delta = TimeDelta(static_cast<int64_t>(value));
+  if (value > max_magnitude)
+    delta = Max();
+  else if (value < -max_magnitude)
+    delta = -Max();
+  return delta;
+}
+
 // For logging use only.
 BASE_EXPORT std::ostream& operator<<(std::ostream& os, Time time);
 
@@ -663,12 +638,14 @@
   static TimeTicks FromQPCValue(LONGLONG qpc_value);
 #endif
 
-  // Get the TimeTick value at the time of the UnixEpoch. This is useful when
-  // you need to relate the value of TimeTicks to a real time and date.
-  // Note: Upon first invocation, this function takes a snapshot of the realtime
-  // clock to establish a reference point.  This function will return the same
-  // value for the duration of the application, but will be different in future
-  // application runs.
+  // Get an estimate of the TimeTick value at the time of the UnixEpoch. Because
+  // Time and TimeTicks respond differently to user-set time and NTP
+  // adjustments, this number is only an estimate. Nevertheless, this can be
+  // useful when you need to relate the value of TimeTicks to a real time and
+  // date. Note: Upon first invocation, this function takes a snapshot of the
+  // realtime clock to establish a reference point.  This function will return
+  // the same value for the duration of the application, but will be different
+  // in future application runs.
   static TimeTicks UnixEpoch();
 
   // Returns |this| snapped to the next tick, given a |tick_phase| and
@@ -688,8 +665,7 @@
 
   // Please use Now() to create a new object. This is for internal use
   // and testing.
-  explicit TimeTicks(int64 us) : TimeBase(us) {
-  }
+  explicit TimeTicks(int64_t us) : TimeBase(us) {}
 };
 
 // For logging use only.
@@ -709,16 +685,28 @@
 #if (defined(_POSIX_THREAD_CPUTIME) && (_POSIX_THREAD_CPUTIME >= 0)) || \
     (defined(OS_MACOSX) && !defined(OS_IOS)) || defined(OS_ANDROID)
     return true;
+#elif defined(OS_WIN)
+    return IsSupportedWin();
 #else
     return false;
 #endif
   }
 
+  // Waits until the initialization is completed. Needs to be guarded with a
+  // call to IsSupported().
+  static void WaitUntilInitialized() {
+#if defined(OS_WIN)
+    WaitUntilInitializedWin();
+#endif
+  }
+
   // Returns thread-specific CPU-time on systems that support this feature.
   // Needs to be guarded with a call to IsSupported(). Use this timer
   // to (approximately) measure how much time the calling thread spent doing
   // actual work vs. being de-scheduled. May return bogus results if the thread
-  // migrates to another CPU between two calls.
+  // migrates to another CPU between two calls. Returns an empty ThreadTicks
+  // object until the initialization is completed. If a clock reading is
+  // absolutely needed, call WaitUntilInitialized() before this method.
   static ThreadTicks Now();
 
  private:
@@ -726,59 +714,13 @@
 
   // Please use Now() to create a new object. This is for internal use
   // and testing.
-  explicit ThreadTicks(int64 us) : TimeBase(us) {
-  }
+  explicit ThreadTicks(int64_t us) : TimeBase(us) {}
+
 };
 
 // For logging use only.
 std::ostream& operator<<(std::ostream& os, ThreadTicks time_ticks);
 
-// TraceTicks ----------------------------------------------------------------
-
-// Represents high-resolution system trace clock time.
-class TraceTicks : public time_internal::TimeBase<TraceTicks> {
- public:
-  // We define this even without OS_CHROMEOS for seccomp sandbox testing.
-#if defined(OS_LINUX)
-  // Force definition of the system trace clock; it is a chromeos-only api
-  // at the moment and surfacing it in the right place requires mucking
-  // with glibc et al.
-  static const clockid_t kClockSystemTrace = 11;
-#endif
-
-  TraceTicks() : TimeBase(0) {
-  }
-
-  // Returns the current system trace time or, if not available on this
-  // platform, a high-resolution time value; or a low-resolution time value if
-  // neither are avalable. On systems where a global trace clock is defined,
-  // timestamping TraceEvents's with this value guarantees synchronization
-  // between events collected inside chrome and events collected outside
-  // (e.g. kernel, X server).
-  //
-  // On some platforms, the clock source used for tracing can vary depending on
-  // hardware and/or kernel support.  Do not make any assumptions without
-  // consulting the documentation for this functionality in the time_win.cc,
-  // time_posix.cc, etc. files.
-  //
-  // NOTE: This is only meant to be used by the event tracing infrastructure,
-  // and by outside code modules in special circumstances.  Please be sure to
-  // consult a base/trace_event/OWNER before committing any new code that uses
-  // this.
-  static TraceTicks Now();
-
- private:
-  friend class time_internal::TimeBase<TraceTicks>;
-
-  // Please use Now() to create a new object. This is for internal use
-  // and testing.
-  explicit TraceTicks(int64 us) : TimeBase(us) {
-  }
-};
-
-// For logging use only.
-std::ostream& operator<<(std::ostream& os, TraceTicks time_ticks);
-
 }  // namespace base
 
 #endif  // BASE_TIME_TIME_H_
diff --git a/third_party/chromium/base/time/time_posix.cc b/third_party/chromium/base/time/time_posix.cc
index e8e56c2..4b37b4a 100644
--- a/third_party/chromium/base/time/time_posix.cc
+++ b/third_party/chromium/base/time/time_posix.cc
@@ -15,7 +15,6 @@
 #include <limits>
 #include <ostream>
 
-#include "base/basictypes.h"
 #include "base/logging.h"
 #include "build/build_config.h"
 
@@ -60,8 +59,8 @@
 }
 #endif  // OS_ANDROID
 
-int64 ConvertTimespecToMicros(const struct timespec& ts) {
-  base::CheckedNumeric<int64> result(ts.tv_sec);
+int64_t ConvertTimespecToMicros(const struct timespec& ts) {
+  base::CheckedNumeric<int64_t> result(ts.tv_sec);
   result *= base::Time::kMicrosecondsPerSecond;
   result += (ts.tv_nsec / base::Time::kNanosecondsPerMicrosecond);
   return result.ValueOrDie();
@@ -74,7 +73,7 @@
 #if (defined(OS_POSIX) &&                                               \
      defined(_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0) || \
     defined(OS_BSD) || defined(OS_ANDROID)
-int64 ClockNow(clockid_t clk_id) {
+int64_t ClockNow(clockid_t clk_id) {
   struct timespec ts;
   if (clock_gettime(clk_id, &ts) != 0) {
     NOTREACHED() << "clock_gettime(" << clk_id << ") failed.";
@@ -92,7 +91,7 @@
 namespace base {
 
 struct timespec TimeDelta::ToTimeSpec() const {
-  int64 microseconds = InMicroseconds();
+  int64_t microseconds = InMicroseconds();
   time_t seconds = 0;
   if (microseconds >= Time::kMicrosecondsPerSecond) {
     seconds = InSeconds();
@@ -117,16 +116,16 @@
 //   => Thu Jan 01 00:00:00 UTC 1970
 //   irb(main):011:0> Time.at(-11644473600).getutc()
 //   => Mon Jan 01 00:00:00 UTC 1601
-static const int64 kWindowsEpochDeltaSeconds = 11644473600ll;
+static const int64_t kWindowsEpochDeltaSeconds = 11644473600ll;
 
 // static
-const int64 Time::kWindowsEpochDeltaMicroseconds =
+const int64_t Time::kWindowsEpochDeltaMicroseconds =
     kWindowsEpochDeltaSeconds * Time::kMicrosecondsPerSecond;
 
 // Some functions in time.cc use time_t directly, so we provide an offset
 // to convert from time_t (Unix epoch) and internal (Windows epoch).
 // static
-const int64 Time::kTimeTToMicrosecondsOffset = kWindowsEpochDeltaMicroseconds;
+const int64_t Time::kTimeTToMicrosecondsOffset = kWindowsEpochDeltaMicroseconds;
 
 // static
 Time Time::Now() {
@@ -156,9 +155,9 @@
   // Time stores times with microsecond resolution, but Exploded only carries
   // millisecond resolution, so begin by being lossy.  Adjust from Windows
   // epoch (1601) to Unix epoch (1970);
-  int64 microseconds = us_ - kWindowsEpochDeltaMicroseconds;
+  int64_t microseconds = us_ - kWindowsEpochDeltaMicroseconds;
   // The following values are all rounded towards -infinity.
-  int64 milliseconds;  // Milliseconds since epoch.
+  int64_t milliseconds;  // Milliseconds since epoch.
   SysTime seconds;  // Seconds since epoch.
   int millisecond;  // Exploded millisecond value (0-999).
   if (microseconds >= 0) {
@@ -208,8 +207,7 @@
   timestruct.tm_zone   = NULL;  // not a POSIX field, so mktime/timegm ignore
 #endif
 
-
-  int64 milliseconds;
+  int64_t milliseconds;
   SysTime seconds;
 
   // Certain exploded dates do not really exist due to daylight saving times,
@@ -227,11 +225,11 @@
     // to UTC 00:00:00 that isn't -1.
     timestruct = timestruct0;
     timestruct.tm_isdst = 0;
-    int64 seconds_isdst0 = SysTimeFromTimeStruct(&timestruct, is_local);
+    int64_t seconds_isdst0 = SysTimeFromTimeStruct(&timestruct, is_local);
 
     timestruct = timestruct0;
     timestruct.tm_isdst = 1;
-    int64 seconds_isdst1 = SysTimeFromTimeStruct(&timestruct, is_local);
+    int64_t seconds_isdst1 = SysTimeFromTimeStruct(&timestruct, is_local);
 
     // seconds_isdst0 or seconds_isdst1 can be -1 for some timezones.
     // E.g. "CLST" (Chile Summer Time) returns -1 for 'tm_isdt == 1'.
@@ -264,14 +262,14 @@
     // 999ms to avoid the time being less than any other possible value that
     // this function can return.
 
-    // On Android, SysTime is int64, special care must be taken to avoid
+    // On Android, SysTime is int64_t, special care must be taken to avoid
     // overflows.
-    const int64 min_seconds = (sizeof(SysTime) < sizeof(int64))
-                                  ? std::numeric_limits<SysTime>::min()
-                                  : std::numeric_limits<int32_t>::min();
-    const int64 max_seconds = (sizeof(SysTime) < sizeof(int64))
-                                  ? std::numeric_limits<SysTime>::max()
-                                  : std::numeric_limits<int32_t>::max();
+    const int64_t min_seconds = (sizeof(SysTime) < sizeof(int64_t))
+                                    ? std::numeric_limits<SysTime>::min()
+                                    : std::numeric_limits<int32_t>::min();
+    const int64_t max_seconds = (sizeof(SysTime) < sizeof(int64_t))
+                                    ? std::numeric_limits<SysTime>::max()
+                                    : std::numeric_limits<int32_t>::max();
     if (exploded.year < 1969) {
       milliseconds = min_seconds * kMillisecondsPerSecond;
     } else {
@@ -309,27 +307,6 @@
 #endif
 }
 
-// Use the Chrome OS specific system-wide clock.
-#if defined(OS_CHROMEOS)
-// static
-TraceTicks TraceTicks::Now() {
-  struct timespec ts;
-  if (clock_gettime(kClockSystemTrace, &ts) != 0) {
-    // NB: fall-back for a chrome os build running on linux
-    return TraceTicks(ClockNow(CLOCK_MONOTONIC));
-  }
-  return TraceTicks(ConvertTimespecToMicros(ts));
-}
-
-#else  // !defined(OS_CHROMEOS)
-
-// static
-TraceTicks TraceTicks::Now() {
-  return TraceTicks(ClockNow(CLOCK_MONOTONIC));
-}
-
-#endif  // defined(OS_CHROMEOS)
-
 #endif  // !OS_MACOSX
 
 // static
@@ -341,10 +318,8 @@
   if (t.tv_usec == static_cast<suseconds_t>(Time::kMicrosecondsPerSecond) - 1 &&
       t.tv_sec == std::numeric_limits<time_t>::max())
     return Max();
-  return Time(
-      (static_cast<int64>(t.tv_sec) * Time::kMicrosecondsPerSecond) +
-      t.tv_usec +
-      kTimeTToMicrosecondsOffset);
+  return Time((static_cast<int64_t>(t.tv_sec) * Time::kMicrosecondsPerSecond) +
+              t.tv_usec + kTimeTToMicrosecondsOffset);
 }
 
 struct timeval Time::ToTimeVal() const {
@@ -359,7 +334,7 @@
     result.tv_usec = static_cast<suseconds_t>(Time::kMicrosecondsPerSecond) - 1;
     return result;
   }
-  int64 us = us_ - kTimeTToMicrosecondsOffset;
+  int64_t us = us_ - kTimeTToMicrosecondsOffset;
   result.tv_sec = us / Time::kMicrosecondsPerSecond;
   result.tv_usec = us % Time::kMicrosecondsPerSecond;
   return result;
diff --git a/third_party/chromium/base/time/time_unittest.cc b/third_party/chromium/base/time/time_unittest.cc
index 737796c..c471a76 100644
--- a/third_party/chromium/base/time/time_unittest.cc
+++ b/third_party/chromium/base/time/time_unittest.cc
@@ -13,6 +13,7 @@
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
+#include "base/macros.h"
 #include "base/strings/stringprintf.h"
 #include "build/build_config.h"
 
@@ -289,52 +290,6 @@
   EXPECT_EQ(1, exploded.millisecond);
 }
 
-TEST_F(TimeTest, TimeDeltaMax) {
-  TimeDelta max = TimeDelta::Max();
-  EXPECT_TRUE(max.is_max());
-  EXPECT_EQ(max, TimeDelta::Max());
-  EXPECT_GT(max, TimeDelta::FromDays(100 * 365));
-  EXPECT_GT(max, TimeDelta());
-}
-
-TEST_F(TimeTest, TimeDeltaMaxConversions) {
-  TimeDelta t = TimeDelta::Max();
-  EXPECT_EQ(std::numeric_limits<int64>::max(), t.ToInternalValue());
-
-  EXPECT_EQ(std::numeric_limits<int>::max(), t.InDays());
-  EXPECT_EQ(std::numeric_limits<int>::max(), t.InHours());
-  EXPECT_EQ(std::numeric_limits<int>::max(), t.InMinutes());
-  EXPECT_EQ(std::numeric_limits<double>::infinity(), t.InSecondsF());
-  EXPECT_EQ(std::numeric_limits<int64>::max(), t.InSeconds());
-  EXPECT_EQ(std::numeric_limits<double>::infinity(), t.InMillisecondsF());
-  EXPECT_EQ(std::numeric_limits<int64>::max(), t.InMilliseconds());
-  EXPECT_EQ(std::numeric_limits<int64>::max(), t.InMillisecondsRoundedUp());
-
-  t = TimeDelta::FromDays(std::numeric_limits<int>::max());
-  EXPECT_TRUE(t.is_max());
-
-  t = TimeDelta::FromHours(std::numeric_limits<int>::max());
-  EXPECT_TRUE(t.is_max());
-
-  t = TimeDelta::FromMinutes(std::numeric_limits<int>::max());
-  EXPECT_TRUE(t.is_max());
-
-  t = TimeDelta::FromSeconds(std::numeric_limits<int64>::max());
-  EXPECT_TRUE(t.is_max());
-
-  t = TimeDelta::FromMilliseconds(std::numeric_limits<int64>::max());
-  EXPECT_TRUE(t.is_max());
-
-  t = TimeDelta::FromSecondsD(std::numeric_limits<double>::infinity());
-  EXPECT_TRUE(t.is_max());
-
-  t = TimeDelta::FromMillisecondsD(std::numeric_limits<double>::infinity());
-  EXPECT_TRUE(t.is_max());
-
-  t = TimeDelta::FromMicroseconds(std::numeric_limits<int64>::max());
-  EXPECT_TRUE(t.is_max());
-}
-
 TEST_F(TimeTest, Max) {
   Time max = Time::Max();
   EXPECT_TRUE(max.is_max());
@@ -345,7 +300,7 @@
 
 TEST_F(TimeTest, MaxConversions) {
   Time t = Time::Max();
-  EXPECT_EQ(std::numeric_limits<int64>::max(), t.ToInternalValue());
+  EXPECT_EQ(std::numeric_limits<int64_t>::max(), t.ToInternalValue());
 
   t = Time::FromDoubleT(std::numeric_limits<double>::infinity());
   EXPECT_TRUE(t.is_max());
@@ -392,7 +347,7 @@
 
 #if defined(OS_MACOSX)
 TEST_F(TimeTest, TimeTOverflow) {
-  Time t = Time::FromInternalValue(std::numeric_limits<int64>::max() - 1);
+  Time t = Time::FromInternalValue(std::numeric_limits<int64_t>::max() - 1);
   EXPECT_FALSE(t.is_max());
   EXPECT_EQ(std::numeric_limits<time_t>::max(), t.ToTimeT());
 }
@@ -461,12 +416,6 @@
   HighResClockTest(&TimeTicks::Now);
 }
 
-TEST(TraceTicks, NowFromSystemTraceTime) {
-  // Re-use HighRes test for now since clock properties are identical.
-  using NowFunction = TimeTicks (*)(void);
-  HighResClockTest(reinterpret_cast<NowFunction>(&TraceTicks::Now));
-}
-
 TEST(TimeTicks, SnappedToNextTickBasic) {
   base::TimeTicks phase = base::TimeTicks::FromInternalValue(4000);
   base::TimeDelta interval = base::TimeDelta::FromMicroseconds(1000);
@@ -546,6 +495,7 @@
   EXPECT_EQ(13, TimeDelta::FromMillisecondsD(13.3).InMilliseconds());
   EXPECT_EQ(13.3, TimeDelta::FromMillisecondsD(13.3).InMillisecondsF());
   EXPECT_EQ(13, TimeDelta::FromMicroseconds(13).InMicroseconds());
+  EXPECT_EQ(3.456, TimeDelta::FromMillisecondsD(3.45678).InMillisecondsF());
 }
 
 #if defined(OS_POSIX)
@@ -600,25 +550,102 @@
 }
 
 TEST(TimeDelta, Magnitude) {
-  const int64 zero = 0;
+  const int64_t zero = 0;
   EXPECT_EQ(TimeDelta::FromMicroseconds(zero),
             TimeDelta::FromMicroseconds(zero).magnitude());
 
-  const int64 one = 1;
-  const int64 negative_one = -1;
+  const int64_t one = 1;
+  const int64_t negative_one = -1;
   EXPECT_EQ(TimeDelta::FromMicroseconds(one),
             TimeDelta::FromMicroseconds(one).magnitude());
   EXPECT_EQ(TimeDelta::FromMicroseconds(one),
             TimeDelta::FromMicroseconds(negative_one).magnitude());
 
-  const int64 max_int64_minus_one = std::numeric_limits<int64>::max() - 1;
-  const int64 min_int64_plus_two = std::numeric_limits<int64>::min() + 2;
+  const int64_t max_int64_minus_one = std::numeric_limits<int64_t>::max() - 1;
+  const int64_t min_int64_plus_two = std::numeric_limits<int64_t>::min() + 2;
   EXPECT_EQ(TimeDelta::FromMicroseconds(max_int64_minus_one),
             TimeDelta::FromMicroseconds(max_int64_minus_one).magnitude());
   EXPECT_EQ(TimeDelta::FromMicroseconds(max_int64_minus_one),
             TimeDelta::FromMicroseconds(min_int64_plus_two).magnitude());
 }
 
+TEST(TimeDelta, Max) {
+  TimeDelta max = TimeDelta::Max();
+  EXPECT_TRUE(max.is_max());
+  EXPECT_EQ(max, TimeDelta::Max());
+  EXPECT_GT(max, TimeDelta::FromDays(100 * 365));
+  EXPECT_GT(max, TimeDelta());
+}
+
+bool IsMin(TimeDelta delta) {
+  return (-delta).is_max();
+}
+
+TEST(TimeDelta, MaxConversions) {
+  TimeDelta t = TimeDelta::Max();
+  EXPECT_EQ(std::numeric_limits<int64_t>::max(), t.ToInternalValue());
+
+  EXPECT_EQ(std::numeric_limits<int>::max(), t.InDays());
+  EXPECT_EQ(std::numeric_limits<int>::max(), t.InHours());
+  EXPECT_EQ(std::numeric_limits<int>::max(), t.InMinutes());
+  EXPECT_EQ(std::numeric_limits<double>::infinity(), t.InSecondsF());
+  EXPECT_EQ(std::numeric_limits<int64_t>::max(), t.InSeconds());
+  EXPECT_EQ(std::numeric_limits<double>::infinity(), t.InMillisecondsF());
+  EXPECT_EQ(std::numeric_limits<int64_t>::max(), t.InMilliseconds());
+  EXPECT_EQ(std::numeric_limits<int64_t>::max(), t.InMillisecondsRoundedUp());
+
+  t = TimeDelta::FromDays(std::numeric_limits<int>::max());
+  EXPECT_TRUE(t.is_max());
+
+  t = TimeDelta::FromHours(std::numeric_limits<int>::max());
+  EXPECT_TRUE(t.is_max());
+
+  t = TimeDelta::FromMinutes(std::numeric_limits<int>::max());
+  EXPECT_TRUE(t.is_max());
+
+  int64_t max_int = std::numeric_limits<int64_t>::max();
+
+  t = TimeDelta::FromSeconds(max_int / Time::kMicrosecondsPerSecond + 1);
+  EXPECT_TRUE(t.is_max());
+
+  t = TimeDelta::FromMilliseconds(max_int / Time::kMillisecondsPerSecond + 1);
+  EXPECT_TRUE(t.is_max());
+
+  t = TimeDelta::FromMicroseconds(max_int);
+  EXPECT_TRUE(t.is_max());
+
+  t = TimeDelta::FromSeconds(-max_int / Time::kMicrosecondsPerSecond - 1);
+  EXPECT_TRUE(IsMin(t));
+
+  t = TimeDelta::FromMilliseconds(-max_int / Time::kMillisecondsPerSecond - 1);
+  EXPECT_TRUE(IsMin(t));
+
+  t = TimeDelta::FromMicroseconds(-max_int);
+  EXPECT_TRUE(IsMin(t));
+
+  t = -TimeDelta::FromMicroseconds(std::numeric_limits<int64_t>::min());
+  EXPECT_FALSE(IsMin(t));
+
+  t = TimeDelta::FromSecondsD(std::numeric_limits<double>::infinity());
+  EXPECT_TRUE(t.is_max());
+
+  double max_d = max_int;
+
+  t = TimeDelta::FromSecondsD(max_d / Time::kMicrosecondsPerSecond + 1);
+  EXPECT_TRUE(t.is_max());
+
+  t = TimeDelta::FromMillisecondsD(std::numeric_limits<double>::infinity());
+  EXPECT_TRUE(t.is_max());
+
+  t = TimeDelta::FromMillisecondsD(max_d / Time::kMillisecondsPerSecond * 2);
+  EXPECT_TRUE(t.is_max());
+
+  t = TimeDelta::FromSecondsD(-max_d / Time::kMicrosecondsPerSecond - 1);
+  EXPECT_TRUE(IsMin(t));
+
+  t = TimeDelta::FromMillisecondsD(-max_d / Time::kMillisecondsPerSecond * 2);
+  EXPECT_TRUE(IsMin(t));
+}
 
 TEST(TimeDelta, NumericOperators) {
   double d = 0.5;
@@ -645,7 +672,6 @@
   EXPECT_EQ(TimeDelta::FromMilliseconds(500),
             f * TimeDelta::FromMilliseconds(1000));
 
-
   int i = 2;
   EXPECT_EQ(TimeDelta::FromMilliseconds(2000),
             TimeDelta::FromMilliseconds(1000) * i);
@@ -670,7 +696,6 @@
   EXPECT_EQ(TimeDelta::FromMilliseconds(2000),
             i64 * TimeDelta::FromMilliseconds(1000));
 
-
   EXPECT_EQ(TimeDelta::FromMilliseconds(500),
             TimeDelta::FromMilliseconds(1000) * 0.5);
   EXPECT_EQ(TimeDelta::FromMilliseconds(2000),
@@ -694,10 +719,6 @@
             2 * TimeDelta::FromMilliseconds(1000));
 }
 
-bool IsMin(TimeDelta delta) {
-  return (-delta).is_max();
-}
-
 TEST(TimeDelta, Overflows) {
   // Some sanity checks.
   EXPECT_TRUE(TimeDelta::Max().is_max());