cc: Add threaded GPU rasterization.

content/browser/android/in_process/synchronous_compositor_output_surface.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.
 
 #include "content/browser/android/in_process/synchronous_compositor_output_surface.h"
 
 #include "base/auto_reset.h"
 #include "base/logging.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/output/context_provider.h"
@@ skipping 118 matching lines @@
 }
 
 namespace {
 void AdjustTransform(gfx::Transform* transform, gfx::Rect viewport) {
   // CC's draw origin starts at the viewport.
   transform->matrix().postTranslate(-viewport.x(), -viewport.y(), 0);
 }
 } // namespace
 
 bool SynchronousCompositorOutputSurface::InitializeHwDraw(
-    scoped_refptr<cc::ContextProvider> onscreen_context_provider) {
+    scoped_refptr<cc::ContextProvider> onscreen_context_provider,
+    scoped_refptr<cc::ContextProvider> worker_context_provider) {
   DCHECK(CalledOnValidThread());
   DCHECK(HasClient());
   DCHECK(!context_provider_.get());
 
-  return InitializeAndSetContext3d(onscreen_context_provider);
+  return InitializeAndSetContext3d(onscreen_context_provider,
+                                   worker_context_provider);
 }
 
 void SynchronousCompositorOutputSurface::ReleaseHwDraw() {
   DCHECK(CalledOnValidThread());
   cc::OutputSurface::ReleaseGL();
 }
 
 scoped_ptr<cc::CompositorFrame>
 SynchronousCompositorOutputSurface::DemandDrawHw(
     gfx::Size surface_size,
@@ skipping 122 matching lines @@
 }
 
 // Not using base::NonThreadSafe as we want to enforce a more exacting threading
 // requirement: SynchronousCompositorOutputSurface() must only be used on the UI
 // thread.
 bool SynchronousCompositorOutputSurface::CalledOnValidThread() const {
   return BrowserThread::CurrentlyOn(BrowserThread::UI);
 }
 
 }  // namespace content