Expose glResizeCHROMIUM() and remove some uses of MojoGLES2GetGLES2Interface().

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 3282 matching lines @@
     'type': 'StateSet',
     'state': 'Scissor',
   },
   'Viewport': {
     'decoder_func': 'DoViewport',
   },
   'ResizeCHROMIUM': {
     'type': 'Custom',
     'impl_func': False,
     'unit_test': False,
-    'extension': True,
+    'extension': 'CHROMIUM_resize',
     'chromium': True,
   },
   'GetRequestableExtensionsCHROMIUM': {
     'type': 'Custom',
     'impl_func': False,
     'cmd_args': 'uint32_t bucket_id',
     'extension': True,
     'chromium': True,
   },
   'RequestExtensionCHROMIUM': {
@@ skipping 7326 matching lines @@
   gen.WriteMojoGLCallVisitorForExtension(
       mojo_gles2_prefix + "_chromium_sync_point_autogen.h",
       "CHROMIUM_sync_point")
   gen.WriteMojoGLCallVisitorForExtension(
       mojo_gles2_prefix + "_chromium_sub_image_autogen.h",
       "CHROMIUM_sub_image")
   gen.WriteMojoGLCallVisitorForExtension(
       mojo_gles2_prefix + "_chromium_miscellaneous_autogen.h",
       "CHROMIUM_miscellaneous")
   gen.WriteMojoGLCallVisitorForExtension(
+      mojo_gles2_prefix + "_chromium_resize_autogen.h",
+      "CHROMIUM_resize")
+  gen.WriteMojoGLCallVisitorForExtension(
       mojo_gles2_prefix + "_occlusion_query_ext_autogen.h",
       "occlusion_query_EXT")
 
   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:]))