Audio indicator in each tab

chrome/browser/ui/views/tabs/tab.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_UI_VIEWS_TABS_TAB_H_
 #define CHROME_BROWSER_UI_VIEWS_TABS_TAB_H_
 
 #include <list>
 #include <string>
 
@@ skipping 226 matching lines @@
 
   void DisplayCrashedFavicon();
   void ResetCrashedFavicon();
 
   void StartCrashAnimation();
   void StopCrashAnimation();
 
   void StartRecordingAnimation();
   void StopRecordingAnimation();
 
+  void StartAudioPlayingAnimation();
+  void StopAudioPlayingAnimation();
+
   // Returns true if the crash animation is currently running.
   bool IsPerformingCrashAnimation() const;
 
   // Schedules repaint task for icon.
   void ScheduleIconPaint();
 
   // Performs a one-time initialization of static resources such as tab images.
   static void InitTabResources();
 
   // Returns the minimum possible size of a single unselected Tab, not
@@ skipping 90 matching lines @@
   static int font_height_;
 
   // As the majority of the tabs are inactive, and painting tabs is slowish,
   // we cache a handful of the inactive tab backgrounds here.
   static ImageCache* image_cache_;
 
   DISALLOW_COPY_AND_ASSIGN(Tab);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TABS_TAB_H_