Check media permissions through RenderFrameHostDelegate.

chrome/browser/ui/browser.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_BROWSER_H_
 #define CHROME_BROWSER_UI_BROWSER_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 629 matching lines @@
                          int active_match_ordinal,
                          bool final_update) OVERRIDE;
   virtual void RequestToLockMouse(content::WebContents* web_contents,
                                   bool user_gesture,
                                   bool last_unlocked_by_target) OVERRIDE;
   virtual void LostMouseLock() OVERRIDE;
   virtual void RequestMediaAccessPermission(
       content::WebContents* web_contents,
       const content::MediaStreamRequest& request,
       const content::MediaResponseCallback& callback) OVERRIDE;
+  virtual bool CheckMediaAccessPermission(
+      content::WebContents* web_contents,
+      const GURL& security_origin,
+      content::MediaStreamType type) OVERRIDE;
   virtual bool RequestPpapiBrokerPermission(
       content::WebContents* web_contents,
       const GURL& url,
       const base::FilePath& plugin_path,
       const base::Callback<void(bool)>& callback) OVERRIDE;
   virtual gfx::Size GetSizeForNewRenderView(
       content::WebContents* web_contents) const OVERRIDE;
 
   // Overridden from CoreTabHelperDelegate:
   // Note that the caller is responsible for deleting |old_contents|.
@@ skipping 294 matching lines @@
 
   scoped_ptr<chrome::ValidationMessageBubble> validation_message_bubble_;
 
   // The following factory is used to close the frame at a later time.
   base::WeakPtrFactory<Browser> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(Browser);
 };
 
 #endif  // CHROME_BROWSER_UI_BROWSER_H_