Revert of cc: Implement shared worker contexts.

content/browser/android/in_process/synchronous_compositor_output_surface.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_BROWSER_ANDROID_IN_PROCESS_SYNCHRONOUS_COMPOSITOR_OUTPUT_SURFACE_H_
 #define CONTENT_BROWSER_ANDROID_IN_PROCESS_SYNCHRONOUS_COMPOSITOR_OUTPUT_SURFACE_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 40 matching lines @@
       const scoped_refptr<cc::ContextProvider>& context_provider,
       const scoped_refptr<cc::ContextProvider>& worker_context_provider,
       int routing_id,
       scoped_refptr<FrameSwapMessageQueue> frame_swap_message_queue);
   ~SynchronousCompositorOutputSurface() override;
 
   void SetCompositor(SynchronousCompositorImpl* compositor);
 
   // OutputSurface.
   bool BindToClient(cc::OutputSurfaceClient* surface_client) override;
-  void DetachFromClient() override;
   void Reshape(const gfx::Size& size, float scale_factor) override;
   void SwapBuffers(cc::CompositorFrame* frame) override;
   void Invalidate() override;
 
   // Partial SynchronousCompositor API implementation.
   scoped_ptr<cc::CompositorFrame> DemandDrawHw(
       gfx::Size surface_size,
       const gfx::Transform& transform,
       gfx::Rect viewport,
       gfx::Rect clip,
@@ skipping 41 matching lines @@
   scoped_ptr<cc::CompositorFrame> frame_holder_;
 
   scoped_refptr<FrameSwapMessageQueue> frame_swap_message_queue_;
 
   DISALLOW_COPY_AND_ASSIGN(SynchronousCompositorOutputSurface);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ANDROID_IN_PROCESS_SYNCHRONOUS_COMPOSITOR_OUTPUT_SURFACE_H_