Make the title of Chrome OS Audio Player empty

chrome/browser/chromeos/media/media_player.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 CHROME_BROWSER_CHROMEOS_MEDIA_MEDIA_PLAYER_H_
 #define CHROME_BROWSER_CHROMEOS_MEDIA_MEDIA_PLAYER_H_
 
 #include <vector>
 
 #include "base/memory/singleton.h"
 
 template <typename T> struct DefaultSingletonTraits;
 
 class Browser;
 class FilePath;
 class GURL;
 class Profile;
 
 class MediaPlayer {
  public:
   typedef std::vector<GURL> UrlVector;
 
   virtual ~MediaPlayer();
 
-  // Sets the mediaplayer window height.
-  void SetWindowHeight(int height);
+  // Adjusts the mediaplayer window height.
+  void AdjustWindowHeight(int height_diff);
 
   // Forces the mediaplayer window to be closed.
   void CloseWindow();
 
   // Clears the current playlist.
   void ClearPlaylist();
 
   // Enqueues this fileschema url into the current playlist.
   void EnqueueMediaFileUrl(const GURL& url);
 
@@ skipping 33 matching lines @@
   static GURL GetMediaPlayerUrl();
 
   // Browser containing the Mediaplayer.
   static Browser* GetBrowser();
 
   friend class MediaPlayerBrowserTest;
   DISALLOW_COPY_AND_ASSIGN(MediaPlayer);
 };
 
 #endif  // CHROME_BROWSER_CHROMEOS_MEDIA_MEDIA_PLAYER_H_