Add flag in device enumeration request to control label clearing and don't clear for pepper.

content/browser/renderer_host/media/media_stream_dispatcher_host.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_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_DISPATCHER_HOST_H_
 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_DISPATCHER_HOST_H_
 
 #include <map>
 #include <string>
 #include <utility>
@@ skipping 61 matching lines @@
                         const GURL& security_origin,
                         bool user_gesture);
   void OnCancelGenerateStream(int render_view_id,
                               int page_request_id);
   void OnStopStreamDevice(int render_view_id,
                           const std::string& device_id);
 
   void OnEnumerateDevices(int render_view_id,
                           int page_request_id,
                           MediaStreamType type,
-                          const GURL& security_origin);
+                          const GURL& security_origin,
+                          bool hide_labels_if_no_access);
 
   void OnCancelEnumerateDevices(int render_view_id,
                                 int page_request_id);
 
   void OnOpenDevice(int render_view_id,
                     int page_request_id,
                     const std::string& device_id,
                     MediaStreamType type,
                     const GURL& security_origin);
 
   void OnCloseDevice(int render_view_id,
                      const std::string& label);
 
   void StoreRequest(int render_view_id,
                     int page_request_id,
-                    const std::string& label);;
+                    const std::string& label);
 
   bool IsURLAllowed(const GURL& url);
 
   int render_process_id_;
   ResourceContext::SaltCallback salt_callback_;
   MediaStreamManager* media_stream_manager_;
 
   // Owned by ProfileIOData which is guaranteed to outlive MSDH.
   ResourceContext* const resource_context_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaStreamDispatcherHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_DISPATCHER_HOST_H_