Tab audio indicator: Use animation container on Mac

chrome/browser/ui/cocoa/tabs/tab_projecting_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/tab_projecting_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"
@@ skipping 15 matching lines @@
     NSRectFill(NSMakeRect(0, 0, 16, 16));
     [projectorImage unlockFocus];
 
     scoped_nsobject<NSImage> throbImage(
         [[NSImage alloc] initWithSize:NSMakeSize(32, 32)]);
     [throbImage lockFocus];
     NSRectFill(NSMakeRect(0, 0, 32, 32));
     [throbImage unlockFocus];
 
     scoped_nsobject<TabProjectingImageView> view([[TabProjectingImageView alloc]
-          initWithFrame:NSMakeRect(0, 0, 32, 32)
-        backgroundImage:backgroundImage
-         projectorImage:projectorImage
-             throbImage:throbImage
-             durationMS:20]);
+              initWithFrame:NSMakeRect(0, 0, 32, 32)
+            backgroundImage:backgroundImage
+             projectorImage:projectorImage
+                 throbImage:throbImage
+                 durationMS:20
+         animationContainer:NULL]);
     view_ = view.get();
     [[test_window() contentView] addSubview:view_];
   }
 
   MessageLoopForUI message_loop_;  // Needed for ui::ThrobAnimation.
   TabProjectingImageView* view_;
 };
 
 TEST_VIEW(TabProjectingImageViewTest, view_)
 
 }  // namespace