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

cc/trees/layer_tree_host.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_LAYER_TREE_HOST_H_
 #define CC_TREES_LAYER_TREE_HOST_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 152 matching lines @@
   LayerTreeHostClient* client() { return client_; }
   const base::WeakPtr<InputHandler>& GetInputHandler() {
     return input_handler_weak_ptr_;
   }
 
   void NotifyInputThrottledUntilCommit();
 
   void LayoutAndUpdateLayers();
   void Composite(base::TimeTicks frame_begin_time);
 
-  void FinishAllRendering();
-
   void SetDeferCommits(bool defer_commits);
 
   int source_frame_number() const { return source_frame_number_; }
 
   bool gpu_rasterization_histogram_recorded() const {
     return gpu_rasterization_histogram_recorded_;
   }
 
   void SetNeedsDisplayOnAllLayers();
 
@@ skipping 415 matching lines @@
 
   // Layer tree that hold layers.
   LayerTree layer_tree_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerTreeHost);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_HOST_H_