gpu: Add async pixel transfer interface, stub and tests.

gpu/command_buffer/service/gles2_cmd_decoder_mock.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.
 
 // This file contains the mock GLES2Decoder class.
 
 #ifndef GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_MOCK_H_
 #define GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_MOCK_H_
 
 #include <vector>
@@ skipping 39 matching lines @@
   MOCK_METHOD0(GetGLES2Util, GLES2Util*());
   MOCK_METHOD0(GetGLSurface, gfx::GLSurface*());
   MOCK_METHOD0(GetGLContext, gfx::GLContext*());
   MOCK_METHOD0(GetContextGroup, ContextGroup*());
   MOCK_METHOD0(ProcessPendingQueries, bool());
   MOCK_CONST_METHOD0(RestoreState, void());
   MOCK_METHOD0(GetQueryManager, gpu::gles2::QueryManager*());
   MOCK_METHOD0(GetVertexArrayManager, gpu::gles2::VertexArrayManager*());
   MOCK_METHOD1(SetResizeCallback, void(const base::Callback<void(gfx::Size)>&));
   MOCK_METHOD1(SetStreamTextureManager, void(StreamTextureManager*));
+  MOCK_METHOD0(GetAsyncPixelTransferDelegate,
+      gfx::AsyncPixelTransferDelegate*());
+  MOCK_METHOD1(SetAsyncPixelTransferDelegate,
+      void(gfx::AsyncPixelTransferDelegate*));
   MOCK_METHOD3(DoCommand, error::Error(unsigned int command,
                                        unsigned int arg_count,
                                        const void* cmd_data));
   MOCK_METHOD2(GetServiceTextureId, bool(uint32 client_texture_id,
                                          uint32* service_texture_id));
   MOCK_METHOD0(GetContextLostReason, error::ContextLostReason());
   MOCK_CONST_METHOD1(GetCommandName, const char*(unsigned int command_id));
   MOCK_METHOD9(ClearLevel, bool(
       unsigned service_id,
       unsigned bind_target,
@@ skipping 12 matching lines @@
   MOCK_METHOD1(AddProcessingCommandsTime, void(base::TimeDelta));
   MOCK_METHOD0(WasContextLost, bool());
 
   DISALLOW_COPY_AND_ASSIGN(MockGLES2Decoder);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_MOCK_H_