Break Sky's dependency on cc

sky/viewer/platform/platform_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 SKY_VIEWER_PLATFORM_PLATFORM_IMPL_H_
 #define SKY_VIEWER_PLATFORM_PLATFORM_IMPL_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/threading/thread_local_storage.h"
 #include "base/timer/timer.h"
 #include "mojo/services/public/interfaces/network/network_service.mojom.h"
 #include "sky/engine/public/platform/Platform.h"
-#include "sky/viewer/cc/web_compositor_support_impl.h"
 
 namespace mojo {
 class ApplicationImpl;
 }
 
 namespace sky {
 
 class PlatformImpl : public blink::Platform {
  public:
   explicit PlatformImpl(mojo::ApplicationImpl* app);
@@ skipping 53 matching lines @@
   }
 
   mojo::NetworkServicePtr network_service_;
   base::MessageLoop* main_loop_;
   scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner_;
   base::OneShotTimer<PlatformImpl> shared_timer_;
   void (*shared_timer_func_)();
   double shared_timer_fire_time_;
   bool shared_timer_fire_time_was_set_while_suspended_;
   int shared_timer_suspended_;  // counter
-  sky_viewer_cc::WebCompositorSupportImpl compositor_support_;
 
   DISALLOW_COPY_AND_ASSIGN(PlatformImpl);
 };
 
 }  // namespace sky
 
 #endif  // SKY_VIEWER_PLATFORM_PLATFORM_IMPL_H_