Introduce Sky packaged apps.

services/sky_packaged_app_viewer/content_handler_impl.h

Index: services/sky_packaged_app_viewer/content_handler_impl.h
diff --git a/sky/viewer/content_handler_impl.h b/services/sky_packaged_app_viewer/content_handler_impl.h
similarity index 67%
copy from sky/viewer/content_handler_impl.h
copy to services/sky_packaged_app_viewer/content_handler_impl.h
index d5caf0c75591564a7af07bf0780c50db034f56f4..ac2a41846f57cda43045fb3ccece7bf5882fb42d 100644
--- a/sky/viewer/content_handler_impl.h
+++ b/services/sky_packaged_app_viewer/content_handler_impl.h
@@ -1,17 +1,15 @@
-// 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:
@@ -28,6 +26,6 @@ class ContentHandlerImpl : public mojo::ContentHandler {
   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_