Abstract base 'ExtensionView' to Fix DEPS violation in extension_view_host.h

chrome/browser/ui/views/extensions/extension_popup.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_VIEWS_EXTENSIONS_EXTENSION_POPUP_H_
 #define CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_POPUP_H_
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "chrome/browser/ui/tabs/tab_strip_model_observer.h"
 #include "chrome/browser/ui/views/extensions/extension_view_views.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "ui/views/bubble/bubble_delegate.h"
 #include "ui/wm/public/activation_change_observer.h"
 #include "url/gurl.h"
 
+class Browser;
+class ExtensionViewViews;
 
-class Browser;
 namespace views {
 class Widget;
 }
 
 namespace content {
 class DevToolsAgentHost;
 }
 
 namespace extensions {
 class ExtensionViewHost;
@@ skipping 66 matching lines @@
  private:
   ExtensionPopup(extensions::ExtensionViewHost* host,
                  views::View* anchor_view,
                  views::BubbleBorder::Arrow arrow,
                  ShowAction show_action);
 
   // Show the bubble, focus on its content, and register listeners.
   void ShowBubble();
 
   void OnDevToolsStateChanged(content::DevToolsAgentHost*, bool attached);
+  ExtensionViewViews* GetExtensionView();
 
   // The contained host for the view.
   scoped_ptr<extensions::ExtensionViewHost> host_;
 
   // Flag used to indicate if the pop-up should open a devtools window once
   // it is shown inspecting it.
   bool inspect_with_devtools_;
 
   content::NotificationRegistrar registrar_;
 
   base::Callback<void(content::DevToolsAgentHost*, bool)> devtools_callback_;
 
   bool widget_initialized_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionPopup);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_POPUP_H_