[Mac] Fix title text re-expanding after tab media indicator shuts off.

chrome/browser/ui/cocoa/tabs/tab_controller.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/tabs/tab_controller.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/i18n/rtl.h"
@@ skipping 259 matching lines @@
 }
 
 - (MediaIndicatorView*)mediaIndicatorView {
   return mediaIndicatorView_;
 }
 
 - (void)setMediaIndicatorView:(MediaIndicatorView*)mediaIndicatorView {
   [mediaIndicatorView_ removeFromSuperview];
   mediaIndicatorView_.reset([mediaIndicatorView retain]);
   [self updateVisibility];
-  if (mediaIndicatorView_)
+  if (mediaIndicatorView_) {
     [[self view] addSubview:mediaIndicatorView_];
+    [mediaIndicatorView_
+      setAnimationDoneCallbackObject:self
+                        withSelector:@selector(updateVisibility)];
+
+  }
 }
 
 - (HoverCloseButton*)closeButton {
   return closeButton_;
 }
 
 - (NSString*)toolTip {
   return [[self tabView] toolTipText];
 }
 
@@ skipping 131 matching lines @@
 // TabStripDragController.
 - (BOOL)tabCanBeDragged:(TabController*)controller {
   return [[target_ dragController] tabCanBeDragged:controller];
 }
 
 - (void)maybeStartDrag:(NSEvent*)event forTab:(TabController*)tab {
   [[target_ dragController] maybeStartDrag:event forTab:tab];
 }
 
 @end