Share context creation logic with sync compositor

content/renderer/android/synchronous_compositor_factory.h

 // 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 CONTENT_RENDERER_ANDROID_SYNCHRONOUS_COMPOSITOR_FACTORY_H_
 #define CONTENT_RENDERER_ANDROID_SYNCHRONOUS_COMPOSITOR_FACTORY_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "gpu/config/gpu_info.h"
@@ skipping 31 matching lines @@
  public:
   // Must only be called once, e.g. on startup. Ownership of |instance| remains
   // with the caller.
   static void SetInstance(SynchronousCompositorFactory* instance);
   static SynchronousCompositorFactory* GetInstance();
 
   virtual scoped_refptr<base::SingleThreadTaskRunner>
   GetCompositorTaskRunner() = 0;
   virtual scoped_ptr<cc::OutputSurface> CreateOutputSurface(
       int routing_id,
-      scoped_refptr<FrameSwapMessageQueue> frame_swap_message_queue) = 0;
+      const scoped_refptr<FrameSwapMessageQueue>& frame_swap_message_queue,
+      const scoped_refptr<cc::ContextProvider>& onscreen_context,
+      const scoped_refptr<cc::ContextProvider>& worker_context) = 0;
 
   // The factory maintains ownership of the returned interface.
   virtual InputHandlerManagerClient* GetInputHandlerManagerClient() = 0;
 
   virtual scoped_ptr<cc::BeginFrameSource> CreateExternalBeginFrameSource(
       int routing_id) = 0;
   virtual scoped_refptr<StreamTextureFactory> CreateStreamTextureFactory(
       int frame_id) = 0;
 
  protected:
   SynchronousCompositorFactory() {}
   virtual ~SynchronousCompositorFactory() {}
 };
 
 }
 
 #endif  // CONTENT_RENDERER_ANDROID_SYNCHRONOUS_COMPOSITOR_FACTORY_H_