Check media permissions through RenderFrameHostDelegate.

extensions/browser/guest_view/web_view/web_view_guest.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 EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_H_
 #define EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_H_
 
 #include <vector>
 
 #include "base/observer_list.h"
@@ skipping 103 matching lines @@
       const content::ContextMenuParams& params) OVERRIDE;
   virtual void HandleKeyboardEvent(
       content::WebContents* source,
       const content::NativeWebKeyboardEvent& event) OVERRIDE;
   virtual void RendererResponsive(content::WebContents* source) OVERRIDE;
   virtual void RendererUnresponsive(content::WebContents* source) OVERRIDE;
   virtual void RequestMediaAccessPermission(
       content::WebContents* source,
       const content::MediaStreamRequest& request,
       const content::MediaResponseCallback& callback) OVERRIDE;
+  virtual bool CheckMediaAccessPermission(
+      content::WebContents* source,
+      const GURL& security_origin,
+      content::MediaStreamType type) OVERRIDE;
   virtual void CanDownload(content::RenderViewHost* render_view_host,
                            const GURL& url,
                            const std::string& request_method,
                            const base::Callback<void(bool)>& callback) OVERRIDE;
   virtual content::JavaScriptDialogManager*
       GetJavaScriptDialogManager() OVERRIDE;
   virtual content::ColorChooser* OpenColorChooser(
       content::WebContents* web_contents,
       SkColor color,
       const std::vector<content::ColorSuggestion>& suggestions) OVERRIDE;
@@ skipping 211 matching lines @@
 
   typedef std::map<WebViewGuest*, NewWindowInfo> PendingWindowMap;
   PendingWindowMap pending_new_windows_;
 
   DISALLOW_COPY_AND_ASSIGN(WebViewGuest);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_H_