Make lost context and error message callbacks on GpuControl go to client

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 78 matching lines @@
   MOCK_METHOD1(OrderingBarrier, void(int32_t put_offset));
 
   void DelegateToFake();
 };
 
 class MockClientGpuControl : public GpuControl {
  public:
   MockClientGpuControl();
   virtual ~MockClientGpuControl();
 
+  MOCK_METHOD1(SetGpuControlClient, void(GpuControlClient*));
   MOCK_METHOD0(GetCapabilities, Capabilities());
   MOCK_METHOD4(CreateImage,
                int32_t(ClientBuffer buffer,
                        size_t width,
                        size_t height,
                        unsigned internalformat));
   MOCK_METHOD1(DestroyImage, void(int32_t id));
   MOCK_METHOD4(CreateGpuMemoryBufferImage,
                int32_t(size_t width,
                        size_t height,
@@ skipping 17 matching lines @@
   MOCK_METHOD1(CanWaitUnverifiedSyncToken, bool(const SyncToken*));
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockClientGpuControl);
 };
 
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_CLIENT_TEST_HELPER_H_