Tab audio indicator: Use animation container on Mac

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

 // Copyright (c) 2011 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 "base/message_loop.h"
 #import "chrome/browser/ui/cocoa/cocoa_test_helper.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
 
 namespace {
 
 class ThrobbingImageViewTest : public CocoaTest {
  public:
   ThrobbingImageViewTest() {
     scoped_nsobject<NSImage> image(
         [[NSImage alloc] initWithSize:NSMakeSize(16, 16)]);
     [image lockFocus];
     NSRectFill(NSMakeRect(0, 0, 16, 16));
     [image unlockFocus];
 
     scoped_nsobject<ThrobbingImageView> view([[ThrobbingImageView alloc]
-          initWithFrame:NSMakeRect(0, 0, 16, 16)
-        backgroundImage:image
-             throbImage:image
-             durationMS:20
-          throbPosition:kThrobPositionOverlay]);
+            initWithFrame:NSMakeRect(0, 0, 16, 16)
+          backgroundImage:image
+               throbImage:image
+               durationMS:20
+            throbPosition:kThrobPositionOverlay
+       animationContainer:NULL]);
     view_ = view.get();
     [[test_window() contentView] addSubview:view_];
   }
 
   MessageLoopForUI message_loop_;  // Needed for ui::ThrobAnimation.
   ThrobbingImageView* view_;
 };
 
 TEST_VIEW(ThrobbingImageViewTest, view_)
 
 }  // namespace