[Android WebView] Implement Ubercomp for Render Thread support

content/browser/android/in_process/synchronous_compositor_impl.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_IMPL_H_
 #define CONTENT_BROWSER_ANDROID_IN_PROCESS_SYNCHRONOUS_COMPOSITOR_IMPL_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 33 matching lines @@
   static SynchronousCompositorImpl* FromRoutingID(int routing_id);
 
   InputEventAckState HandleInputEvent(const blink::WebInputEvent& input_event);
 
   // SynchronousCompositor
   virtual void SetClient(SynchronousCompositorClient* compositor_client)
       OVERRIDE;
   virtual bool InitializeHwDraw(
       scoped_refptr<gfx::GLSurface> surface) OVERRIDE;
   virtual void ReleaseHwDraw() OVERRIDE;
-  virtual bool DemandDrawHw(
+  virtual gpu::GLInProcessContext* GetShareContext() OVERRIDE;
+  virtual scoped_ptr<cc::CompositorFrame> DemandDrawHw(
       gfx::Size surface_size,
       const gfx::Transform& transform,
       gfx::Rect viewport,
       gfx::Rect clip,
       bool stencil_enabled) OVERRIDE;
   virtual bool DemandDrawSw(SkCanvas* canvas) OVERRIDE;
+  virtual void ReturnResources(
+      const cc::CompositorFrameAck& frame_ack) OVERRIDE;
   virtual void SetMemoryPolicy(
       const SynchronousCompositorMemoryPolicy& policy) OVERRIDE;
   virtual void DidChangeRootLayerScrollOffset() OVERRIDE;
 
   // SynchronousCompositorOutputSurfaceDelegate
   virtual void DidBindOutputSurface(
       SynchronousCompositorOutputSurface* output_surface) OVERRIDE;
   virtual void DidDestroySynchronousOutputSurface(
       SynchronousCompositorOutputSurface* output_surface) OVERRIDE;
   virtual void SetContinuousInvalidate(bool enable) OVERRIDE;
-  virtual void UpdateFrameMetaData(
-      const cc::CompositorFrameMetadata& frame_info) OVERRIDE;
   virtual void DidActivatePendingTree() OVERRIDE;
 
   // LayerScrollOffsetDelegate
   virtual gfx::Vector2dF GetTotalScrollOffset() OVERRIDE;
   virtual void UpdateRootLayerState(const gfx::Vector2dF& total_scroll_offset,
                                     const gfx::Vector2dF& max_scroll_offset,
                                     const gfx::SizeF& scrollable_size,
                                     float page_scale_factor,
                                     float min_page_scale_factor,
                                     float max_page_scale_factor) OVERRIDE;
   virtual bool IsExternalFlingActive() const OVERRIDE;
 
   void SetInputHandler(cc::InputHandler* input_handler);
   void DidOverscroll(const DidOverscrollParams& params);
   void DidStopFlinging();
 
  private:
   explicit SynchronousCompositorImpl(WebContents* contents);
   virtual ~SynchronousCompositorImpl();
   friend class WebContentsUserData<SynchronousCompositorImpl>;
 
-  void DidCreateSynchronousOutputSurface(
-      SynchronousCompositorOutputSurface* output_surface);
+  void UpdateFrameMetaData(const cc::CompositorFrameMetadata& frame_info);
   bool CalledOnValidThread() const;
 
   SynchronousCompositorClient* compositor_client_;
   SynchronousCompositorOutputSurface* output_surface_;
   WebContents* contents_;
   cc::InputHandler* input_handler_;
 
+  base::WeakPtrFactory<SynchronousCompositorImpl> weak_ptr_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(SynchronousCompositorImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ANDROID_IN_PROCESS_SYNCHRONOUS_COMPOSITOR_IMPL_H_