Move AppWindow related classes to extensions

extensions/browser/app_window/app_web_contents_helper.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 APPS_APP_WEB_CONTENTS_HELPER_H_
-#define APPS_APP_WEB_CONTENTS_HELPER_H_
+#ifndef EXTENSIONS_BROWSER_APP_WINDOW_APP_WEB_CONTENTS_HELPER_H_
+#define EXTENSIONS_BROWSER_APP_WINDOW_APP_WEB_CONTENTS_HELPER_H_
 
 #include "content/public/common/console_message_level.h"
 #include "content/public/common/media_stream_request.h"
 
 namespace blink {
 class WebGestureEvent;
 }
 
 namespace content {
 class BrowserContext;
 struct OpenURLParams;
 class WebContents;
 }
 
 namespace extensions {
-class Extension;
-}
-
-namespace apps {
 
 class AppDelegate;
+class Extension;
 
 // Provides common functionality for apps and launcher pages to respond to
 // messages from a WebContents.
 class AppWebContentsHelper {
  public:
   AppWebContentsHelper(content::BrowserContext* browser_context,
                        const std::string& extension_id,
                        content::WebContents* web_contents,
                        AppDelegate* app_delegate);
 
   // Returns true if the given |event| should not be handled by the renderer.
   static bool ShouldSuppressGestureEvent(const blink::WebGestureEvent& event);
 
   // Opens a new URL inside the passed in WebContents. See WebContentsDelegate.
   content::WebContents* OpenURLFromTab(
       const content::OpenURLParams& params) const;
 
   // Requests to lock the mouse. See WebContentsDelegate.
   void RequestToLockMouse() const;
 
   // Asks permission to use the camera and/or microphone. See
   // WebContentsDelegate.
   void RequestMediaAccessPermission(
       const content::MediaStreamRequest& request,
       const content::MediaResponseCallback& callback) const;
 
  private:
-  const extensions::Extension* GetExtension() const;
+  const Extension* GetExtension() const;
 
   // Helper method to add a message to the renderer's DevTools console.
   void AddMessageToDevToolsConsole(content::ConsoleMessageLevel level,
                                    const std::string& message) const;
 
   // The browser context with which this window is associated.
   // AppWindowWebContentsDelegate does not own this object.
   content::BrowserContext* browser_context_;
 
   const std::string extension_id_;
 
   content::WebContents* web_contents_;
 
   AppDelegate* app_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(AppWebContentsHelper);
 };
 
-}  // namespace apps
+}  // namespace extensions
 
-#endif  // APPS_APP_WEB_CONTENTS_HELPER_H_
+#endif  // EXTENSIONS_BROWSER_APP_WINDOW_APP_WEB_CONTENTS_HELPER_H_