Introduce Sky packaged apps.

services/sky_packaged_app_viewer/content_handler_impl.h

-// Copyright 2014 The Chromium Authors. All rights reserved.
+// 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 SKY_VIEWER_CONTENT_HANDLER_IMPL_H_
-#define SKY_VIEWER_CONTENT_HANDLER_IMPL_H_
+#ifndef SKY_PACKAGED_APP_VIEWER_CONTENT_HANDLER_IMPL_H_
+#define SKY_PACKAGED_APP_VIEWER_CONTENT_HANDLER_IMPL_H_
 
-#include "base/message_loop/message_loop.h"
+#include "base/macros.h"
 #include "mojo/public/cpp/bindings/strong_binding.h"
-#include "mojo/public/interfaces/application/shell.mojom.h"
 #include "mojo/services/content_handler/public/interfaces/content_handler.mojom.h"
 
-namespace sky {
-class DocumentView;
+namespace sky_packaged_app_viewer {
 
 class ContentHandlerImpl : public mojo::ContentHandler {
  public:
   explicit ContentHandlerImpl(
       mojo::InterfaceRequest<mojo::ContentHandler> request);
   ~ContentHandlerImpl() override;
 
  private:
   // Overridden from ContentHandler:
   void StartApplication(mojo::InterfaceRequest<mojo::Application> application,
                         mojo::URLResponsePtr response) override;
 
   mojo::StrongBinding<mojo::ContentHandler> binding_;
   DISALLOW_COPY_AND_ASSIGN(ContentHandlerImpl);
 };
 
-}  // namespace sky
+}  // namespace sky_packaged_app_viewer
 
-#endif  // SKY_VIEWER_CONTENT_HANDLER_IMPL_H_
+#endif  // SKY_PACKAGED_APP_VIEWER_CONTENT_HANDLER_IMPL_H_