Move small c/b/extensions classes into extensions namespace no.2

chrome/browser/ui/extensions/shell_window.h

 // Copyright (c) 2012 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_UI_EXTENSIONS_SHELL_WINDOW_H_
 #define CHROME_BROWSER_UI_EXTENSIONS_SHELL_WINDOW_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/extensions/extension_function_dispatcher.h"
 #include "chrome/browser/sessions/session_id.h"
 #include "chrome/browser/ui/base_window.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/web_contents_delegate.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/common/console_message_level.h"
 #include "ui/gfx/rect.h"
 
 class GURL;
 class Profile;
 class TabContents;
 
 namespace content {
 class WebContents;
 }
 
 namespace extensions {
 class Extension;
+class PlatformAppBrowserTest;
 class WindowController;
+
 struct DraggableRegion;
 }
 
 // ShellWindow is the type of window used by platform apps. Shell windows
 // have a WebContents but none of the chrome of normal browser windows.
 class ShellWindow : public content::NotificationObserver,
                     public content::WebContentsDelegate,
                     public content::WebContentsObserver,
                     public ExtensionFunctionDispatcher::Delegate,
                     public BaseWindow {
@@ skipping 42 matching lines @@
   // Called when the draggable regions are changed.
   virtual void UpdateDraggableRegions(
       const std::vector<extensions::DraggableRegion>& regions) {}
 
   // Call to notify ShellRegistry and delete the window. Subclasses should
   // invoke this method instead of using "delete this".
   void OnNativeClose();
 
  private:
   // PlatformAppBrowserTest needs access to web_contents()
-  friend class PlatformAppBrowserTest;
+  friend class extensions::PlatformAppBrowserTest;
 
   // Instantiates a platform-specific ShellWindow subclass (one implementation
   // per platform). Public users of ShellWindow should use ShellWindow::Create.
   static ShellWindow* CreateImpl(Profile* profile,
                                  const extensions::Extension* extension,
                                  const GURL& url,
                                  const CreateParams& params);
 
   // content::WebContentsObserver implementation.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
@@ skipping 54 matching lines @@
   scoped_ptr<TabContents> contents_;
   // web_contents_ is owned by contents_.
   content::WebContents* web_contents_;
   content::NotificationRegistrar registrar_;
   ExtensionFunctionDispatcher extension_function_dispatcher_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellWindow);
 };
 
 #endif  // CHROME_BROWSER_UI_EXTENSIONS_SHELL_WINDOW_H_