buffet: Remove 'chromeos' namespace and move everything to buffet NS

As discussed, moved all the classes out of chromeos namespace into
'buffet.

Also fixed a number of cpplint's warnings.

BUG=None
TEST=Everything still compiles and unit tests succeed.

Change-Id: Ide864acb2504627404966727f66d353af60e531d
Reviewed-on: https://chromium-review.googlesource.com/198971
Reviewed-by: Christopher Wiley <wiley@chromium.org>
Commit-Queue: Alex Vakulenko <avakulenko@chromium.org>
Tested-by: Alex Vakulenko <avakulenko@chromium.org>
diff --git a/buffet/mime_utils.h b/buffet/mime_utils.h
index 44f65c8..999b677 100644
--- a/buffet/mime_utils.h
+++ b/buffet/mime_utils.h
@@ -5,51 +5,53 @@
 #ifndef BUFFET_MIME_UTILS_H_
 #define BUFFET_MIME_UTILS_H_
 
-#include <base/basictypes.h>
 #include <string>
+#include <utility>
 #include <vector>
 
-namespace chromeos {
+#include <base/basictypes.h>
+
+namespace buffet {
 
 namespace mime {
 
 namespace types {
   // Main MIME type categories
-  extern const char kApplication[];       // application
-  extern const char kAudio[];             // audio
-  extern const char kImage[];             // image
-  extern const char kMessage[];           // message
-  extern const char kMultipart[];         // multipart
-  extern const char kText[];              // test
-  extern const char kVideo[];             // video
+  extern const char kApplication[];        // application
+  extern const char kAudio[];              // audio
+  extern const char kImage[];              // image
+  extern const char kMessage[];            // message
+  extern const char kMultipart[];          // multipart
+  extern const char kText[];               // test
+  extern const char kVideo[];              // video
 }
 
 namespace parameters {
   // Common MIME parameters
-  extern const char kCharset[];           // charset=...
+  extern const char kCharset[];            // charset=...
 }
 
 namespace image {
   // Common image MIME types
-  extern const char kJpeg[];              // image/jpeg
-  extern const char kPng[];               // image/png
-  extern const char kBmp[];               // image/bmp
-  extern const char kTiff[];              // image/tiff
-  extern const char kGif[];               // image/gif
+  extern const char kJpeg[];               // image/jpeg
+  extern const char kPng[];                // image/png
+  extern const char kBmp[];                // image/bmp
+  extern const char kTiff[];               // image/tiff
+  extern const char kGif[];                // image/gif
 }
 
 namespace text {
   // Common text MIME types
-  extern const char kPlain[];             // text/plain
-  extern const char kHtml[];              // text/html
-  extern const char kXml[];               // text/xml
+  extern const char kPlain[];              // text/plain
+  extern const char kHtml[];               // text/html
+  extern const char kXml[];                // text/xml
 }
 
 namespace application {
   // Common application MIME types
-  extern const char kOctet_stream[];      // application/octet-stream
-  extern const char kJson[];              // application/json
-  extern const char kWwwFormUrlEncoded[]; // application/x-www-form-urlencoded
+  extern const char kOctet_stream[];       // application/octet-stream
+  extern const char kJson[];               // application/json
+  extern const char kWwwFormUrlEncoded[];  // application/x-www-form-urlencoded
 }
 
 typedef std::vector<std::pair<std::string, std::string>> Parameters;
@@ -97,7 +99,7 @@
 std::string GetParameterValue(const std::string& mime_string,
                               const std::string& paramName);
 
-} // namespace mime
-} // namespace chromeos
+}  // namespace mime
+}  // namespace buffet
 
-#endif // BUFFET_MIME_UTILS_H_
+#endif  // BUFFET_MIME_UTILS_H_