cc: Remove SetLayerTreeHostClientReady()

cc/trees/threaded_channel.h

 // Copyright 2015 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_THREADED_CHANNEL_H_
 #define CC_TREES_THREADED_CHANNEL_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "cc/base/cc_export.h"
@@ skipping 58 matching lines @@
       // sequence. Currently ThreadProxy implements both so we pass the pointer
       // and set ProxyImpl.
       ThreadProxy* thread_proxy,
       scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
       scoped_refptr<base::SingleThreadTaskRunner> impl_task_runner);
 
   ~ThreadedChannel() override;
 
   // ChannelMain Implementation
   void SetThrottleFrameProductionOnImpl(bool throttle) override;
-  void SetLayerTreeHostClientReadyOnImpl() override;
 
   // ChannelImpl Implementation
   void DidCompleteSwapBuffers() override;
 
  protected:
   ThreadedChannel(ThreadProxy* thread_proxy,
                   scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
                   scoped_refptr<base::SingleThreadTaskRunner> impl_task_runner);
 
  private:
   base::SingleThreadTaskRunner* MainThreadTaskRunner() const;
   base::SingleThreadTaskRunner* ImplThreadTaskRunner() const;
 
   ProxyMain* proxy_main_;
 
   ProxyImpl* proxy_impl_;
 
   scoped_refptr<base::SingleThreadTaskRunner> main_task_runner_;
 
   scoped_refptr<base::SingleThreadTaskRunner> impl_task_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(ThreadedChannel);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_THREADED_CHANNEL_H_