Take GL version and extensions correctly into account when binding functions

ui/gl/gl.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': {
     'chromium_code': 1,
   },
 
   'targets': [
@@ skipping 37 matching lines @@
         'android/surface_texture.h',
         'android/surface_texture_listener.cc',
         'android/surface_texture_listener.h',
         'gl_bindings.h',
         'gl_bindings_skia_in_process.cc',
         'gl_bindings_skia_in_process.h',
         'gl_context.cc',
         'gl_context.h',
         'gl_context_android.cc',
         'gl_context_mac.mm',
+        'gl_context_mock_version.cc',
+        'gl_context_mock_version.h',
         'gl_context_ozone.cc',
         'gl_context_osmesa.cc',
         'gl_context_osmesa.h',
         'gl_context_stub.cc',
         'gl_context_stub.h',
         'gl_context_win.cc',
         'gl_context_x11.cc',
         'gl_export.h',
         'gl_fence.cc',
         'gl_fence.h',
@@ skipping 31 matching lines @@
         'gl_surface.h',
         'gl_surface_mac.cc',
         'gl_surface_stub.cc',
         'gl_surface_stub.h',
         'gl_surface_win.cc',
         'gl_surface_x11.cc',
         'gl_surface_osmesa.cc',
         'gl_surface_osmesa.h',
         'gl_switches.cc',
         'gl_switches.h',
+        'gl_version_info.cc',
+        'gl_version_info.h',
         'gpu_switching_manager.cc',
         'gpu_switching_manager.h',
         'io_surface_support_mac.cc',
         'io_surface_support_mac.h',
         'scoped_binders.cc',
         'scoped_binders.h',
         'scoped_make_current.cc',
         'scoped_make_current.h',
         'sync_control_vsync_provider.cc',
         'sync_control_vsync_provider.h',
@@ skipping 233 matching lines @@
           'variables': {
             'jni_gen_package': 'ui/gl',
             'jni_generator_ptr_type': 'long',
           },
           'includes': [ '../../build/jni_generator.gypi' ],
         },
       ],
     }],
   ],
 }