Make the title of Chrome OS Audio Player empty

chrome/browser/chromeos/media/media_player_extension_api.cc

 // 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.
 
 #include "base/values.h"
 #include "chrome/browser/chromeos/media/media_player.h"
 #include "chrome/browser/chromeos/media/media_player_extension_api.h"
 
 static const char kPropertyItems[] = "items";
 static const char kPropertyPosition[] = "position";
@@ skipping 44 matching lines @@
   DictionaryValue* result = new DictionaryValue();
   MediaPlayer* player = MediaPlayer::GetInstance();
 
   result->Set(kPropertyItems, GetPlaylistItems());
   result->SetInteger(kPropertyPosition, player->GetPlaylistPosition());
 
   SetResult(result);
   return true;
 }
 
+// TODO(kaznacheev): rename the API method to adjustWindowHeight here and in
+// media_player_private.json.
 bool SetWindowHeightMediaplayerFunction::RunImpl() {
-  int height;
-  if (!args_->GetInteger(0, &height))
+  int height_diff;
+  if (!args_->GetInteger(0, &height_diff))
     return false;
-  MediaPlayer::GetInstance()->SetWindowHeight(height);
+  MediaPlayer::GetInstance()->AdjustWindowHeight(height_diff);
   return true;
 }
 
 bool CloseWindowMediaplayerFunction::RunImpl() {
   MediaPlayer::GetInstance()->CloseWindow();
   return true;
 }