Introducing gpu::CommandBufferId as a distinct, IdType<...>-based type.

gpu/command_buffer/client/client_test_helper.h

 // 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.
 
 // Helper classes for implementing gpu client side unit tests.
 
 #ifndef GPU_COMMAND_BUFFER_CLIENT_CLIENT_TEST_HELPER_H_
 #define GPU_COMMAND_BUFFER_CLIENT_CLIENT_TEST_HELPER_H_
 
 #include <stddef.h>
@@ skipping 97 matching lines @@
                        size_t height,
                        unsigned internalformat,
                        unsigned usage));
   MOCK_METHOD2(SignalQuery,
                void(uint32_t query, const base::Closure& callback));
   MOCK_METHOD1(CreateStreamTexture, uint32_t(uint32_t));
   MOCK_METHOD1(SetLock, void(base::Lock*));
   MOCK_METHOD0(IsGpuChannelLost, bool());
   MOCK_METHOD0(EnsureWorkVisible, void());
   MOCK_CONST_METHOD0(GetNamespaceID, CommandBufferNamespace());
-  MOCK_CONST_METHOD0(GetCommandBufferID, uint64_t());
+  MOCK_CONST_METHOD0(GetCommandBufferID, CommandBufferId());
   MOCK_CONST_METHOD0(GetExtraCommandBufferData, int32_t());
   MOCK_METHOD0(GenerateFenceSyncRelease, uint64_t());
   MOCK_METHOD1(IsFenceSyncRelease, bool(uint64_t release));
   MOCK_METHOD1(IsFenceSyncFlushed, bool(uint64_t release));
   MOCK_METHOD1(IsFenceSyncFlushReceived, bool(uint64_t release));
   MOCK_METHOD2(SignalSyncToken, void(const SyncToken& sync_token,
                                      const base::Closure& callback));
   MOCK_METHOD1(CanWaitUnverifiedSyncToken, bool(const SyncToken*));
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockClientGpuControl);
 };
 
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_CLIENT_TEST_HELPER_H_