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

chrome/browser/views/download_item_view.cc

Index: chrome/browser/views/download_item_view.cc
diff --git a/chrome/browser/views/download_item_view.cc b/chrome/browser/views/download_item_view.cc
index 900c0ccdc9699263005752a56ab074a749d4b141..a448e0a596923a9a1504eb9bdde44635593cc3ec 100644
--- a/chrome/browser/views/download_item_view.cc
+++ b/chrome/browser/views/download_item_view.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -360,7 +360,7 @@ void DownloadItemView::OnDownloadUpdated(DownloadItem* download) {
       StopDownloadProgress();
       complete_animation_.reset(new SlideAnimation(this));
       complete_animation_->SetSlideDuration(kCompleteAnimationDurationMs);
-      complete_animation_->SetTweenType(SlideAnimation::NONE);
+      complete_animation_->SetTweenType(Tween::LINEAR);
       complete_animation_->Show();
       if (status_text.empty())
         show_status_text_ = false;
@@ -656,7 +656,7 @@ void DownloadItemView::Paint(gfx::Canvas* canvas) {
                                              download_util::SMALL);
       } else if (download_->state() == DownloadItem::COMPLETE &&
                  complete_animation_.get() &&
-                 complete_animation_->IsAnimating()) {
+                 complete_animation_->is_animating()) {
         download_util::PaintDownloadComplete(canvas, this, 0, 0,
             complete_animation_->GetCurrentValue(),
             download_util::SMALL);
@@ -784,7 +784,7 @@ bool DownloadItemView::OnMousePressed(const views::MouseEvent& event) {
     return true;
 
   // Stop any completion animation.
-  if (complete_animation_.get() && complete_animation_->IsAnimating())
+  if (complete_animation_.get() && complete_animation_->is_animating())
     complete_animation_->End();
 
   if (event.IsOnlyLeftMouseButton()) {