Switch to standard integer types in gpu/.

gpu/command_buffer/service/transfer_buffer_manager_unittest.cc

 // Copyright (c) 2012 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 "gpu/command_buffer/service/transfer_buffer_manager.h"
 
+#include <stddef.h>
+
 #include "base/memory/scoped_ptr.h"
+#include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
-#include "testing/gmock/include/gmock/gmock.h"
 
 using base::SharedMemory;
 
 namespace gpu {
 
 const static size_t kBufferSize = 1024;
 
 class TransferBufferManagerTest : public testing::Test {
  protected:
   void SetUp() override {
@@ skipping 84 matching lines @@
 }
 
 TEST_F(TransferBufferManagerTest, CannotRegisterNegativeTransferBufferId) {
   scoped_ptr<base::SharedMemory> shm(new base::SharedMemory());
   shm->CreateAndMapAnonymous(kBufferSize);
   EXPECT_FALSE(transfer_buffer_manager_->RegisterTransferBuffer(
       -1, FakeBufferBacking::Make()));
 }
 
 }  // namespace gpu