Switch to standard integer types in cc/.

cc/proto/gpu_conversions_unittest.cc

 // Copyright 2015 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.
 
 #include "cc/proto/gpu_conversions.h"
 
+#include <stddef.h>
+
 #include "cc/proto/memory_allocation.pb.h"
 #include "gpu/command_buffer/common/gpu_memory_allocation.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace cc {
 namespace {
 
 TEST(GpuProtoConversionTest,
      SerializeDeserializeMemoryAllocationPriorityCutoff) {
   for (size_t i = 0; i < gpu::MemoryAllocation::PriorityCutoff::CUTOFF_LAST;
        ++i) {
     gpu::MemoryAllocation::PriorityCutoff priority_cutoff =
         static_cast<gpu::MemoryAllocation::PriorityCutoff>(i);
     EXPECT_EQ(priority_cutoff,
               MemoryAllocationPriorityCutoffFromProto(
                   MemoryAllocationPriorityCutoffToProto(priority_cutoff)));
   }
 }
 
 }  // namespace
 }  // namespace cc