Tab audio indicator: Use animation container on Mac

chrome/browser/ui/cocoa/tabs/throbbing_image_view.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/throbbing_image_view.h"
 
 #include "ui/base/animation/animation_delegate.h"
 
 class ThrobbingImageViewAnimationDelegate : public ui::AnimationDelegate {
  public:
   ThrobbingImageViewAnimationDelegate(NSView* view) : view_(view) {}
   virtual void AnimationProgressed(const ui::Animation* animation) OVERRIDE {
     [view_ setNeedsDisplay:YES];
   }
  private:
   NSView* view_;  // weak
 };
 
 @implementation ThrobbingImageView
 
 - (id)initWithFrame:(NSRect)rect
-    backgroundImage:(NSImage*)backgroundImage
-         throbImage:(NSImage*)throbImage
-         durationMS:(int)durationMS
-     throbPosition:(ThrobPosition)throbPosition {
+       backgroundImage:(NSImage*)backgroundImage
+            throbImage:(NSImage*)throbImage
+            durationMS:(int)durationMS
+         throbPosition:(ThrobPosition)throbPosition
+    animationContainer:(ui::AnimationContainer*)animationContainer {
   if ((self = [super initWithFrame:rect])) {
     backgroundImage_.reset([backgroundImage retain]);
     throbImage_.reset([throbImage retain]);
 
     delegate_.reset(new ThrobbingImageViewAnimationDelegate(self));
     throbAnimation_.reset(new ui::ThrobAnimation(delegate_.get()));
+    throbAnimation_->SetContainer(animationContainer);
     throbAnimation_->SetThrobDuration(durationMS);
     throbAnimation_->StartThrobbing(-1);
 
     throbPosition_ = throbPosition;
   }
   return self;
 }
 
 - (void)dealloc {
   throbAnimation_->Stop();
@@ skipping 16 matching lines @@
   } else {
     throbImageBounds = b;
   }
   [throbImage_ drawInRect:throbImageBounds
                  fromRect:NSZeroRect
                 operation:NSCompositeSourceOver
                  fraction:throbAnimation_->GetCurrentValue()];
 }
 
 @end