Move ChromeOS login media access logic into a MediaAccessHandler

chrome/browser/media/webrtc/permission_bubble_media_access_handler.h

 // Copyright 2015 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_MEDIA_WEBRTC_PERMISSION_BUBBLE_MEDIA_ACCESS_HANDLER_H_
 #define CHROME_BROWSER_MEDIA_WEBRTC_PERMISSION_BUBBLE_MEDIA_ACCESS_HANDLER_H_
 
 #include <deque>
 #include <map>
 
 #include "chrome/browser/media/media_access_handler.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
 // MediaAccessHandler for permission bubble requests.
 class PermissionBubbleMediaAccessHandler
     : public MediaAccessHandler,
       public content::NotificationObserver {
  public:
   PermissionBubbleMediaAccessHandler();
   ~PermissionBubbleMediaAccessHandler() override;
 
   // MediaAccessHandler implementation.
-  bool SupportsStreamType(const content::MediaStreamType type,
+  bool SupportsStreamType(content::WebContents* web_contents,
+                          const content::MediaStreamType type,
                           const extensions::Extension* extension) override;
   bool CheckMediaAccessPermission(
       content::WebContents* web_contents,
       const GURL& security_origin,
       content::MediaStreamType type,
       const extensions::Extension* extension) override;
   void HandleRequest(content::WebContents* web_contents,
                      const content::MediaStreamRequest& request,
                      const content::MediaResponseCallback& callback,
                      const extensions::Extension* extension) override;
@@ skipping 16 matching lines @@
 
   // content::NotificationObserver implementation.
   void Observe(int type,
                const content::NotificationSource& source,
                const content::NotificationDetails& details) override;
 
   RequestsQueues pending_requests_;
   content::NotificationRegistrar notifications_registrar_;
 };
 #endif  // CHROME_BROWSER_MEDIA_WEBRTC_PERMISSION_BUBBLE_MEDIA_ACCESS_HANDLER_H_