sync compositor: Signal async frame on IO thread

content/public/browser/android/synchronous_compositor_client.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_PUBLIC_BROWSER_ANDROID_SYNCHRONOUS_COMPOSITOR_CLIENT_H_
 #define CONTENT_PUBLIC_BROWSER_ANDROID_SYNCHRONOUS_COMPOSITOR_CLIENT_H_
 
 #include "base/callback_forward.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
@@ skipping 38 matching lines @@
                              const gfx::Vector2dF& accumulated_overscroll,
                              const gfx::Vector2dF& latest_overscroll_delta,
                              const gfx::Vector2dF& current_fling_velocity) = 0;
 
   virtual void PostInvalidate(SynchronousCompositor* compositor) = 0;
 
   virtual void DidUpdateContent(SynchronousCompositor* compositor) = 0;
 
   virtual ui::TouchHandleDrawable* CreateDrawable() = 0;
 
-  virtual void OnDrawHardwareProcessFrameFuture(
-      const scoped_refptr<content::SynchronousCompositor::FrameFuture>&
-          frame_future) = 0;
-
  protected:
   SynchronousCompositorClient() {}
   virtual ~SynchronousCompositorClient() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(SynchronousCompositorClient);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_ANDROID_SYNCHRONOUS_COMPOSITOR_CLIENT_H_