Clean up of GLES2 Command Decoder by moving some of the error state into a separate class.

gpu/command_buffer_service.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.
 
 {
   'include_dirs': [
     '..',
   ],
   'all_dependent_settings': {
     'include_dirs': [
@@ skipping 22 matching lines @@
     'command_buffer/service/command_buffer_service.cc',
     'command_buffer/service/command_buffer_service.h',
     'command_buffer/service/common_decoder.cc',
     'command_buffer/service/common_decoder.h',
     'command_buffer/service/context_group.h',
     'command_buffer/service/context_group.cc',
     'command_buffer/service/context_state.h',
     'command_buffer/service/context_state_autogen.h',
     'command_buffer/service/context_state_impl_autogen.h',
     'command_buffer/service/context_state.cc',
+    'command_buffer/service/error_state.cc',
+    'command_buffer/service/error_state.h',
     'command_buffer/service/feature_info.h',
     'command_buffer/service/feature_info.cc',
     'command_buffer/service/framebuffer_manager.h',
     'command_buffer/service/framebuffer_manager.cc',
     'command_buffer/service/gles2_cmd_copy_texture_chromium.cc',
     'command_buffer/service/gles2_cmd_copy_texture_chromium.h',
     'command_buffer/service/gles2_cmd_decoder.h',
     'command_buffer/service/gles2_cmd_decoder_autogen.h',
     'command_buffer/service/gles2_cmd_decoder.cc',
     'command_buffer/service/gles2_cmd_validation.h',
@@ skipping 59 matching lines @@
         '../build/linux/system.gyp:gtk',
       ],
     }],
     ['ui_compositor_image_transport==1', {
       'include_dirs': [
         '../third_party/angle/include',
       ],
     }],
   ],
 }