Show meaningful name for cameras

chrome/browser/ui/webui/settings/settings_media_devices_selection_handler.h

 // Copyright (c) 2016 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_WEBUI_SETTINGS_SETTINGS_MEDIA_DEVICES_SELECTION_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_SETTINGS_SETTINGS_MEDIA_DEVICES_SELECTION_HANDLER_H_
 
 #include "base/macros.h"
 #include "base/scoped_observer.h"
 #include "chrome/browser/media/webrtc/media_capture_devices_dispatcher.h"
@@ skipping 33 matching lines @@
   // Sets the default audio/video capture device for media. |args| includes the
   // media type (kAuudio/kVideo) and the unique id of the new default device
   // that the user has chosen.
   void SetDefaultCaptureDevice(const base::ListValue* args);
 
   // Helpers methods to update the device menus.
   void UpdateDevicesMenuForType(DeviceType type);
   void UpdateDevicesMenu(DeviceType type,
                          const content::MediaStreamDevices& devices);
 
+  // Gets the human readable name of the device.
+  std::string GetDeviceDisplayName(
+      const content::MediaStreamDevice& device) const;
+
   Profile* profile_;  // Weak pointer.
 
   ScopedObserver<MediaCaptureDevicesDispatcher,
                  MediaCaptureDevicesDispatcher::Observer> observer_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaDevicesSelectionHandler);
 };
 
 }  // namespace settings
 
 #endif  // CHROME_BROWSER_UI_WEBUI_SETTINGS_SETTINGS_MEDIA_DEVICES_SELECTION_HANDLER_H_