Migrate WebGL contexts on backgrounded tabs to the integrated GPU.

gpu/command_buffer/build_gles2_cmd_buffer.py

 #!/usr/bin/env python
 # 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.
 
 """code generator for GLES2 command buffers."""
 
 import itertools
 import os
 import os.path
@@ skipping 1774 matching lines @@
   'PathFragmentInputGenMode': {
     'type': 'GLenum',
     'is_complete': True,
     'valid': [
       'GL_NONE',
       'GL_EYE_LINEAR_CHROMIUM',
       'GL_OBJECT_LINEAR_CHROMIUM',
       'GL_CONSTANT_CHROMIUM',
     ],
   },
+  'PerformanceHintMode': {
+    'type': 'GLenum',
+    'is_complete': True,
+    'valid': [
+      'GL_DEFAULT_POWER_CHROMIUM',
+      'GL_LOW_POWER_CHROMIUM',
+      'GL_HIGH_PERFORMANCE_CHROMIUM',
+    ],
+  },
   'ReadPixelType': {
     'type': 'GLenum',
     'valid': [
       'GL_UNSIGNED_BYTE',
       'GL_UNSIGNED_SHORT_5_6_5',
       'GL_UNSIGNED_SHORT_4_4_4_4',
       'GL_UNSIGNED_SHORT_5_5_5_1',
     ],
     'valid_es3': [
       'GL_BYTE',
@@ skipping 1679 matching lines @@
     'decoder_func': 'DoOverlayPromotionHintCHROMIUM',
     'extension': "CHROMIUM_uniform_stream_texture_matrix",
     'unit_test': False,
     'client_test': False,
   },
   'PauseTransformFeedback': {
     'decoder_func': 'DoPauseTransformFeedback',
     'unit_test': False,
     'es3': True,
   },
+  'PerformanceHintCHROMIUM': {
+    'decoder_func': 'DoPerformanceHintCHROMIUM',
+    'extension': "CHROMIUM_performance_hint",
+    'unit_test': False,
+    'client_test': False,
+  },
   'PixelStorei': {
     'type': 'Custom',
     'impl_func': False,
   },
   'PostSubBufferCHROMIUM': {
     'type': 'Custom',
     'impl_func': False,
     'client_test': False,
     'extension': True,
   },
@@ skipping 7707 matching lines @@
   Format(gen.generated_cpp_filenames)
 
   if gen.errors > 0:
     print "%d errors" % gen.errors
     return 1
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))