[WIP] cc: Plumb SurfaceId from clients

content/browser/compositor/reflector_impl.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_BROWSER_COMPOSITOR_REFLECTOR_IMPL_H_
 #define CONTENT_BROWSER_COMPOSITOR_REFLECTOR_IMPL_H_
 
 #include <memory>
 
 #include "base/callback.h"
@@ skipping 36 matching lines @@
   void Shutdown();
 
   void DetachFromOutputSurface();
 
   // ui::Reflector:
   void OnMirroringCompositorResized() override;
   void AddMirroringLayer(ui::Layer* layer) override;
   void RemoveMirroringLayer(ui::Layer* layer) override;
 
   // ui::CompositorObserver:
+  void OnCompositingInitialized(ui::Compositor* compositor) override {}
   void OnCompositingDidCommit(ui::Compositor* compositor) override {}
   void OnCompositingStarted(ui::Compositor* compositor,
                             base::TimeTicks start_time) override;
   void OnCompositingEnded(ui::Compositor* compositor) override {}
   void OnCompositingAborted(ui::Compositor* compositor) override {}
   void OnCompositingLockStateChanged(ui::Compositor* compositor) override {}
   void OnCompositingShuttingDown(ui::Compositor* compositor) override {}
 
   // Called in |BrowserCompositorOutputSurface::SwapBuffers| to copy
   // the full screen image to the |mailbox_| texture.
@@ skipping 25 matching lines @@
   scoped_refptr<OwnedMailbox> mailbox_;
   bool flip_texture_;
   int composition_count_;
   BrowserCompositorOutputSurface* output_surface_;
   base::Closure composition_started_callback_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_COMPOSITOR_REFLECTOR_IMPL_H_