Adds AnimationContainer, which can be used to group a set of

chrome/browser/views/tabs/side_tab.cc

 // Copyright (c) 2010 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.
 
 #include "chrome/browser/views/tabs/side_tab.h"
 
 #include "app/resource_bundle.h"
 #include "app/theme_provider.h"
+#include "base/logging.h"
 #include "base/utf_string_conversions.h"
 #include "gfx/canvas.h"
 #include "gfx/path.h"
 #include "gfx/skia_util.h"
 #include "grit/app_resources.h"
 #include "grit/theme_resources.h"
 #include "views/controls/button/image_button.h"
 
 namespace {
 const int kVerticalTabHeight = 27;
@@ skipping 231 matching lines @@
     waiting_animation_frame_count =
         waiting_animation_frames->width() / waiting_animation_frames->height();
 
     waiting_to_loading_frame_count_ratio =
         waiting_animation_frame_count / loading_animation_frame_count;
 
     initialized = true;
   }
 }