aura: Remove old GL paths from RenderWidgetHostViewAura.

content/renderer/render_widget.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/renderer/render_widget.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/debug/trace_event_synthetic_delay.h"
@@ skipping 919 matching lines @@
       !command_line.HasSwitch(switches::kDisableDelegatedRenderer)) {
     DCHECK(is_threaded_compositing_enabled_);
     return scoped_ptr<cc::OutputSurface>(
         new DelegatedCompositorOutputSurface(
             routing_id(),
             output_surface_id,
             context_provider,
             scoped_ptr<cc::SoftwareOutputDevice>()));
   }
   if (command_line.HasSwitch(cc::switches::kCompositeToMailbox)) {
-    DCHECK(is_threaded_compositing_enabled_);

[jamesr, 2014/02/07 20:43:49]

can you modify this to DCHECK that we're either in threaded compositing mode or
layout test mode with a link to the bug for layout tests?

[danakj, 2014/02/07 20:48:06]

Done.

     cc::ResourceFormat format = cc::RGBA_8888;
 #if defined(OS_ANDROID)
     if (base::android::SysUtils::IsLowEndDevice())
       format = cc::RGB_565;
 #endif
     return scoped_ptr<cc::OutputSurface>(
         new MailboxOutputSurface(
             routing_id(),
             output_surface_id,
             context_provider,
@@ skipping 1917 matching lines @@
 
 void RenderWidget::RegisterSwappedOutChildFrame(RenderFrameImpl* frame) {
   swapped_out_frames_.AddObserver(frame);
 }
 
 void RenderWidget::UnregisterSwappedOutChildFrame(RenderFrameImpl* frame) {
   swapped_out_frames_.RemoveObserver(frame);
 }
 
 }  // namespace content