cc: Remove FinishAllRendering, as it doesn't do anything anymore.

cc/trees/single_thread_proxy.h

 // Copyright 2011 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 CC_TREES_SINGLE_THREAD_PROXY_H_
 #define CC_TREES_SINGLE_THREAD_PROXY_H_
 
 #include <limits>
 
 #include "base/cancelable_callback.h"
@@ skipping 18 matching lines @@
                                     NON_EXPORTED_BASE(LayerTreeHostImplClient),
                                     SchedulerClient {
  public:
   static std::unique_ptr<Proxy> Create(
       LayerTreeHost* layer_tree_host,
       LayerTreeHostSingleThreadClient* client,
       TaskRunnerProvider* task_runner_provider_);
   ~SingleThreadProxy() override;
 
   // Proxy implementation
-  void FinishAllRendering() override;
   bool IsStarted() const override;
   bool CommitToActiveTree() const override;
   void SetOutputSurface(OutputSurface* output_surface) override;
   void ReleaseOutputSurface() override;
   void SetVisible(bool visible) override;
   const RendererCapabilities& GetRendererCapabilities() const override;
   void SetNeedsAnimate() override;
   void SetNeedsUpdateLayers() override;
   void SetNeedsCommit() override;
   void SetNeedsRedraw(const gfx::Rect& damage_rect) override;
@@ skipping 191 matching lines @@
  private:
   DebugScopedSetImplThread impl_thread_;
   DebugScopedSetMainThreadBlocked main_thread_blocked_;
 
   DISALLOW_COPY_AND_ASSIGN(DebugScopedSetImplThreadAndMainThreadBlocked);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_SINGLE_THREAD_PROXY_H_