Allow GLES2CmdDecoder to change the GLSurface associated with the default FBO.

gpu/gpu_common.gypi

 # 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.
 
 {
   'targets': [
     {
       # Library emulates GLES2 using command_buffers.
       'target_name': 'gles2_implementation',
       'type': '<(component)',
@@ skipping 158 matching lines @@
         'command_buffer/service/framebuffer_manager_unittest.cc',
         'command_buffer/service/gles2_cmd_decoder_unittest.cc',
         'command_buffer/service/gles2_cmd_decoder_unittest_1.cc',
         'command_buffer/service/gles2_cmd_decoder_unittest_1_autogen.h',
         'command_buffer/service/gles2_cmd_decoder_unittest_2.cc',
         'command_buffer/service/gles2_cmd_decoder_unittest_2_autogen.h',
         'command_buffer/service/gles2_cmd_decoder_unittest_3.cc',
         'command_buffer/service/gles2_cmd_decoder_unittest_3_autogen.h',
         'command_buffer/service/gles2_cmd_decoder_unittest_base.cc',
         'command_buffer/service/gles2_cmd_decoder_unittest_base.h',
+        'command_buffer/service/gl_surface_mock.cc',
+        'command_buffer/service/gl_surface_mock.h',
         'command_buffer/service/gpu_scheduler_unittest.cc',
         'command_buffer/service/id_manager_unittest.cc',
         'command_buffer/service/mocks.cc',
         'command_buffer/service/mocks.h',
         'command_buffer/service/program_manager_unittest.cc',
         'command_buffer/service/query_manager_unittest.cc',
         'command_buffer/service/renderbuffer_manager_unittest.cc',
         'command_buffer/service/shader_manager_unittest.cc',
         'command_buffer/service/shader_translator_unittest.cc',
         'command_buffer/service/stream_texture_mock.cc',
@@ skipping 57 matching lines @@
       ],
       'sources': [
         'command_buffer/common/gl_mock.h',
         'command_buffer/common/gl_mock.cc',
         'command_buffer/service/gles2_cmd_decoder_mock.cc',
         'command_buffer/service/gles2_cmd_decoder_mock.cc',
       ],
     },
   ],
 }