Delete //sky/services/platform

sky/shell/ui/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_
+#ifndef SKY_SHELL_UI_PLATFORM_IMPL_H_
+#define SKY_SHELL_UI_PLATFORM_IMPL_H_
 
 #include "base/message_loop/message_loop.h"
 #include "sky/engine/public/platform/Platform.h"
 
-namespace mojo {
-class ApplicationImpl;
-}
-
 namespace sky {
+namespace shell {
 
 class PlatformImpl : public blink::Platform {
  public:
   explicit PlatformImpl();
   ~PlatformImpl() override;
 
   // blink::Platform methods:
   blink::WebString defaultLocale() override;
   base::SingleThreadTaskRunner* mainThreadTaskRunner() override;
 
  private:
   scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(PlatformImpl);
 };
 
+}  // namespace shell
 }  // namespace sky
 
-#endif  // SKY_VIEWER_PLATFORM_PLATFORM_IMPL_H_
+#endif  // SKY_SHELL_UI_PLATFORM_IMPL_H_