Enforce printf format literals checking

Change-Id: Ifcba2251a723770e8bce12e39beda8236c814c42
Reviewed-on: https://weave-review.googlesource.com/2320
Reviewed-by: Alex Vakulenko <avakulenko@google.com>
diff --git a/third_party/chromium/base/strings/stringprintf.cc b/third_party/chromium/base/strings/stringprintf.cc
index 8147ed3..c3ef88c 100644
--- a/third_party/chromium/base/strings/stringprintf.cc
+++ b/third_party/chromium/base/strings/stringprintf.cc
@@ -27,7 +27,10 @@
                       size_t buf_size,
                       const char* format,
                       va_list argptr) {
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wformat-nonliteral"
   return base::vsnprintf(buffer, buf_size, format, argptr);
+#pragma GCC diagnostic pop
 }
 
 // Templatized backend for StringPrintF/StringAppendF. This does not finalize