Move guest_view to extensions.

chrome/browser/guest_view/app_view/app_view_guest.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 CHROME_BROWSER_GUEST_VIEW_APP_VIEW_APP_VIEW_GUEST_H_
 #define CHROME_BROWSER_GUEST_VIEW_APP_VIEW_APP_VIEW_GUEST_H_
 
 #include "base/id_map.h"
-#include "chrome/browser/guest_view/guest_view.h"
 #include "extensions/browser/extension_function_dispatcher.h"
+#include "extensions/browser/guest_view/guest_view.h"
 
 namespace extensions {
 class Extension;
 class ExtensionHost;
-};
 
 // An AppViewGuest provides the browser-side implementation of <appview> API.
 // AppViewGuest is created on attachment. That is, when a guest WebContents is
 // associated with a particular embedder WebContents. This happens on calls to
 // the connect API.
 class AppViewGuest : public GuestView<AppViewGuest>,
                      public extensions::ExtensionFunctionDispatcher::Delegate {
  public:
   static const char Type[];
 
@@ skipping 50 matching lines @@
   scoped_ptr<extensions::ExtensionFunctionDispatcher>
       extension_function_dispatcher_;
 
   // This is used to ensure pending tasks will not fire after this object is
   // destroyed.
   base::WeakPtrFactory<AppViewGuest> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(AppViewGuest);
 };
 
+}  // namespace extensions
+
 #endif  // CHROME_BROWSER_GUEST_VIEW_APP_VIEW_APP_VIEW_GUEST_H_