Switch to standard integer types in gpu/.

gpu/command_buffer/common/time.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef GPU_COMMAND_BUFFER_COMMON_TIME_H_
 #define GPU_COMMAND_BUFFER_COMMON_TIME_H_
 
 #if !defined(__native_client__)
 
+#include <stdint.h>
+
 #include "base/time/time.h"
 
 namespace gpu {
 
-inline uint64 MicrosecondsSinceOriginOfTime() {
+inline uint64_t MicrosecondsSinceOriginOfTime() {
   return (base::TimeTicks::Now() - base::TimeTicks()).InMicroseconds();
 }
 
 } // namespace gpu
 
 #else
 
 namespace gpu {
 
-inline uint64 MicrosecondsSinceOriginOfTime() {
+inline uint64_t MicrosecondsSinceOriginOfTime() {
   return 0;
 }
 
 } // namespace gpu
 
 #endif  // __native_client__
 
 #endif  // GPU_COMMAND_BUFFER_COMMON_TIME_H_