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

gpu/gpu.gyp

 # 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.
 
 {
   'variables': {
     'nacl_win64_target': 0,
   },
   'includes': [
     'gpu_common.gypi',
@@ skipping 271 matching lines @@
         '../testing/gmock.gyp:gmock',
         '../testing/gtest.gyp:gtest',
         '../third_party/khronos/khronos.gyp:khronos_headers',
         '../ui/gl/gl.gyp:gl_unittest_utils',
       ],
       'include_dirs': [
         '..',
       ],
       'sources': [
         'command_buffer/service/gles2_cmd_decoder_mock.cc',
-        'command_buffer/service/gles2_cmd_decoder_mock.cc',
+        'command_buffer/service/error_state_mock.cc',
       ],
     },
   ],
   'conditions': [
     ['component=="static_library"', {
       'targets': [
          {
           'target_name': 'disk_cache_proto',
           'type': 'static_library',
           'sources': [ 'command_buffer/service/disk_cache_proto.proto' ],
@@ skipping 199 matching lines @@
             'input_shlib_path': '<(SHARED_LIB_DIR)/<(SHARED_LIB_PREFIX)gl_tests<(SHARED_LIB_SUFFIX)',
           },
           'includes': [
             '../build/apk_test.gypi',
           ],
         },
       ],
     }],
   ],
 }