Add GL_CHROMIUM_screen_space_antialiasing to support alternative AA

ui/gl/generate_bindings.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 GL/GLES extension wrangler."""
 
 import optparse
 import os
 import collections
@@ skipping 31 matching lines @@
                 extension string is not modified.
 By default, the function gets its name from the first name in its names or
 versions array. This can be overridden by supplying a 'known_as' key.
 
 """
 GL_FUNCTIONS = [
 { 'return_type': 'void',
   'names': ['glActiveTexture'],
   'arguments': 'GLenum texture', },
 { 'return_type': 'void',
+  'known_as': 'glApplyFramebufferAttachmentCMAAINTEL',
+  'versions': [{ 'name': 'glApplyFramebufferAttachmentCMAAINTEL',
+                 'extensions': ['GL_INTEL_framebuffer_CMAA'] }],
+  'arguments': 'void', },
+{ 'return_type': 'void',
   'names': ['glAttachShader'],
   'arguments': 'GLuint program, GLuint shader', },
 { 'return_type': 'void',
   'versions': [{ 'name': 'glBeginQuery' },
                { 'name': 'glBeginQueryARB' },
                { 'name': 'glBeginQueryEXT',
                  'extensions': ['GL_EXT_occlusion_query_boolean'] }],
   'arguments': 'GLenum target, GLuint id', },
 { 'return_type': 'void',
   'versions': [{ 'name': 'glBeginTransformFeedback' }],
@@ skipping 2617 matching lines @@
                                     'gl_enums_implementation_autogen.h'),
                        'wb')
     GenerateEnumUtils(header_file, enum_header_filenames)
     header_file.close()
     ClangFormat(header_file.name)
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))