Refactor so chromium only GL extensions require gl2extchromium.h

webkit/gpu/gl_bindings_skia_cmd_buffer.cc

 // Copyright (c) 2011 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.
 
 #include "webkit/gpu/gl_bindings_skia_cmd_buffer.h"
 
 #ifndef GL_GLEXT_PROTOTYPES
 #define GL_GLEXT_PROTOTYPES
 #endif
+#include "gpu/GLES2/gl2extchromium.h"
 #include "third_party/khronos/GLES2/gl2.h"
 #include "third_party/khronos/GLES2/gl2ext.h"
 #include "third_party/skia/include/gpu/gl/GrGLInterface.h"
 
 namespace webkit {
 namespace gpu {
 
 GrGLInterface* CreateCommandBufferSkiaGLBinding() {
   GrGLInterface* interface = new GrGLInterface;
   interface->fBindingsExported = kES2_GrGLBinding;
@@ skipping 94 matching lines @@
   interface->fGetRenderbufferParameteriv = glGetRenderbufferParameteriv;
   interface->fRenderbufferStorage = glRenderbufferStorage;
   interface->fRenderbufferStorageMultisample =
     glRenderbufferStorageMultisampleEXT;
   interface->fBlitFramebuffer = glBlitFramebufferEXT;
   return interface;
 }
 
 }  // namespace gpu
 }  // namespace webkit