Fold BeginFrameSource::SetClientReady into AddObserver

content/renderer/android/synchronous_compositor_external_begin_frame_source.h

 // Copyright 2014 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_RENDERER_ANDROID_SYNCHRONOUS_COMPOSITOR_EXTERNAL_BEGIN_FRAME_SOURCE_H_
 #define CONTENT_RENDERER_ANDROID_SYNCHRONOUS_COMPOSITOR_EXTERNAL_BEGIN_FRAME_SOURCE_H_
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/threading/thread_checker.h"
@@ skipping 20 matching lines @@
       int routing_id,
       SynchronousCompositorRegistry* registry);
   ~SynchronousCompositorExternalBeginFrameSource() override;
 
   void BeginFrame(const cc::BeginFrameArgs& args);
   void SetClient(SynchronousCompositorExternalBeginFrameSourceClient* client);
   using cc::BeginFrameSourceBase::SetBeginFrameSourcePaused;
 
   // cc::BeginFrameSourceBase implementation.
   void OnNeedsBeginFramesChanged(bool needs_begin_frames) override;
-  void SetClientReady() override;
+  void AddObserver(cc::BeginFrameObserver* obs) override;
 
  private:
   bool CalledOnValidThread() const;
 
   const int routing_id_;
   SynchronousCompositorRegistry* const registry_;
   bool registered_;
 
   // Not owned.
   SynchronousCompositorExternalBeginFrameSourceClient* client_;
 
   base::ThreadChecker thread_checker_;
 
   DISALLOW_COPY_AND_ASSIGN(SynchronousCompositorExternalBeginFrameSource);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_ANDROID_SYNCHRONOUS_COMPOSITOR_EXTERNAL_BEGIN_FRAME_SOURCE_H_