Check media permissions through RenderFrameHostDelegate.

chrome/browser/ui/apps/chrome_app_delegate.cc

 // 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.
 
 #include "chrome/browser/ui/apps/chrome_app_delegate.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/app_mode/app_mode_utils.h"
 #include "chrome/browser/chrome_notification_types.h"
@@ skipping 227 matching lines @@
 
 void ChromeAppDelegate::RequestMediaAccessPermission(
     content::WebContents* web_contents,
     const content::MediaStreamRequest& request,
     const content::MediaResponseCallback& callback,
     const extensions::Extension* extension) {
   MediaCaptureDevicesDispatcher::GetInstance()->ProcessMediaAccessRequest(
       web_contents, request, callback, extension);
 }
 
+bool ChromeAppDelegate::CheckMediaAccessPermission(
+    content::WebContents* web_contents,
+    const GURL& security_origin,
+    content::MediaStreamType type,
+    const extensions::Extension* extension) {
+  return MediaCaptureDevicesDispatcher::GetInstance()
+      ->CheckMediaAccessPermission(
+          web_contents, security_origin, type, extension);
+}
+
 int ChromeAppDelegate::PreferredIconSize() {
 #if defined(USE_ASH)
   return ash::kShelfSize;
 #else
   return extension_misc::EXTENSION_ICON_SMALL;
 #endif
 }
 
 gfx::ImageSkia ChromeAppDelegate::GetAppDefaultIcon() {
   return *ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
@@ skipping 25 matching lines @@
                                 const content::NotificationDetails& details) {
   switch (type) {
     case chrome::NOTIFICATION_APP_TERMINATING:
       if (!terminating_callback_.is_null())
         terminating_callback_.Run();
       break;
     default:
       NOTREACHED() << "Received unexpected notification";
   }
 }