Hide knowledge of webkit::ppapi::PluginDelegate from chrome. This is part of moving ppapi implement…

content/public/browser/web_contents_delegate.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 CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_DELEGATE_H_
 #define CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_DELEGATE_H_
 
 #include <set>
 #include <string>
 
@@ skipping 287 matching lines @@
       bool user_gesture);
 
   // Notifies the delegate about the creation of a new WebContents. This
   // typically happens when popups are created.
   virtual void WebContentsCreated(WebContents* source_contents,
                                   int64 source_frame_id,
                                   const string16& frame_name,
                                   const GURL& target_url,
                                   WebContents* new_contents) {}
 
-  // Notifies the delegate that the content restrictions for this tab has
-  // changed.
-  virtual void ContentRestrictionsChanged(WebContents* source) {}
-
   // Notification that the tab is hung.
   virtual void RendererUnresponsive(WebContents* source) {}
 
   // Notification that the tab is no longer hung.
   virtual void RendererResponsive(WebContents* source) {}
 
   // Notification that a worker associated with this tab has crashed.
   virtual void WorkerCrashed(WebContents* source) {}
 
   // Invoked when a main fram navigation occurs.
@@ skipping 120 matching lines @@
   // Called when |this| is no longer the WebContentsDelegate for |source|.
   void Detach(WebContents* source);
 
   // The WebContents that this is currently a delegate for.
   std::set<WebContents*> attached_contents_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_DELEGATE_H_