Port content::GLHelper over to GLES2Interface

content/browser/renderer_host/render_widget_host_view_aura.cc

 // 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.
 
 #include "content/browser/renderer_host/render_widget_host_view_aura.h"
 
 #include "base/auto_reset.h"
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/callback_helpers.h"
@@ skipping 2615 matching lines @@
   scoped_refptr<ui::Texture> old_texture = old_layer->external_texture();
   // The new_layer is the one that will be used by our Window, so that's the one
   // that should keep our texture. old_layer will be returned to the
   // RecreateLayer caller, and should have a copy.
   if (old_texture.get()) {
     ImageTransportFactory* factory = ImageTransportFactory::GetInstance();
     GLHelper* gl_helper = factory->GetGLHelper();
     scoped_refptr<ui::Texture> new_texture;
     if (host_->is_accelerated_compositing_active() &&
         gl_helper && current_surface_.get()) {
-      blink::WebGLId texture_id =
+      GLuint texture_id =
           gl_helper->CopyTexture(current_surface_->PrepareTexture(),
                                  current_surface_->size());
       if (texture_id) {
         new_texture = factory->CreateOwnedTexture(
           current_surface_->size(),
           current_surface_->device_scale_factor(), texture_id);
       }
     }
     if (new_texture.get())
       old_layer->SetExternalTexture(new_texture.get());
@@ skipping 854 matching lines @@
     RenderWidgetHost* widget) {
   return new RenderWidgetHostViewAura(widget);
 }
 
 // static
 void RenderWidgetHostViewPort::GetDefaultScreenInfo(WebScreenInfo* results) {
   GetScreenInfoForWindow(results, NULL);
 }
 
 }  // namespace content