Refactors animation to allow for cleaner subclassing. I'm doing this

chrome/browser/views/tabs/tab_strip.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/tab_strip.h"
 
 #include "app/animation_container.h"
 #include "app/drag_drop_types.h"
 #include "app/l10n_util.h"
 #include "app/os_exchange_data.h"
@@ skipping 1511 matching lines @@
 
 void TabStrip::NewTabAnimation2Done() {
   animation_type_ = ANIMATION_NEW_TAB_3;
 
   GenerateIdealBounds();
 
   AnimateToIdealBounds();
 
   SlideAnimation* animation = new SlideAnimation(NULL);
   animation->SetSlideDuration(kNewTab3DurationMs);
-  animation->SetTweenType(SlideAnimation::EASE_IN_OUT);
+  animation->SetTweenType(Tween::EASE_IN_OUT);
 
   // BoundsAnimator takes ownership of animation.
   bounds_animator_.SetAnimationForView(tab_data_.back().tab, animation);
 }
 
 void TabStrip::AnimateToIdealBounds() {
   for (size_t i = 0; i < tab_data_.size(); ++i) {
     if (!tab_data_[i].tab->closing()) {
       bounds_animator_.AnimateViewTo(tab_data_[i].tab,
                                      tab_data_[i].ideal_bounds);
@@ skipping 259 matching lines @@
   return tab_data_.size();
 }
 
 int TabStrip::TabDataIndexOfTab(Tab* tab) const {
   for (size_t i = 0; i < tab_data_.size(); ++i) {
     if (tab_data_[i].tab == tab)
       return i;
   }
   return -1;
 }