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

services/js/modules/gl/context.cc

 // Copyright 2013 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.
 
+#ifndef GL_GLEXT_PROTOTYPES
+#define GL_GLEXT_PROTOTYPES
+#endif
+
 #include "services/js/modules/gl/context.h"
 
 #include <GLES2/gl2.h>
 #include <GLES2/gl2ext.h>
+#include <GLES2/gl2extchromium.h>
 
 #include "base/bind.h"
 #include "gin/arguments.h"
 #include "gin/array_buffer.h"
 #include "gin/object_template_builder.h"
 #include "gin/per_context_data.h"
-#include "gpu/command_buffer/client/gles2_interface.h"
 #include "mojo/public/c/gles2/gles2.h"
 #include "mojo/public/cpp/environment/environment.h"
 #include "mojo/public/cpp/environment/logging.h"
 
 namespace gin {
 template<>
 struct Converter<GLboolean> {
   static bool FromV8(v8::Isolate* isolate, v8::Handle<v8::Value> val,
                      GLboolean* out) {
     bool bool_val = false;
@@ skipping 152 matching lines @@
                                     this,
                                     mojo::Environment::GetDefaultAsyncWaiter());
   MojoGLES2MakeCurrent(context_);
 }
 
 Context::~Context() {
   MojoGLES2DestroyContext(context_);
 }
 
 void Context::Resize(GLuint width, GLuint height, GLfloat scale_factor) {
-  static_cast<gpu::gles2::GLES2Interface*>(
-      MojoGLES2GetGLES2Interface(context_))->ResizeCHROMIUM(width,
-                                                            height,
-                                                            scale_factor);
+  glResizeCHROMIUM(width, height, scale_factor);
 }
 
 void Context::ContextLost() {
   if (!runner_)
     return;
   gin::Runner::Scope scope(runner_.get());
   v8::Isolate* isolate = runner_->GetContextHolder()->isolate();
 
   v8::Handle<v8::Function> callback = v8::Local<v8::Function>::New(
       isolate, context_lost_callback_);
 
   runner_->Call(callback, runner_->global(), 0, NULL);
 }
 
 void Context::ContextLostThunk(void* closure) {
   static_cast<Context*>(closure)->ContextLost();
 }
 
 }  // namespace gl
 }  // namespace js