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

views/controls/button/text_button.cc

Index: views/controls/button/text_button.cc
diff --git a/views/controls/button/text_button.cc b/views/controls/button/text_button.cc
index 6435be11c93f9b9e9a79da6cb9093eb2f18a478f..40d4d68bb97f6e122ea7ab9508012f281d2268f4 100644
--- a/views/controls/button/text_button.cc
+++ b/views/controls/button/text_button.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.
 
@@ -241,7 +241,7 @@ void TextButton::Paint(gfx::Canvas* canvas, bool for_drag) {
   if (!for_drag) {
     PaintBackground(canvas);
 
-    if (show_highlighted_ && hover_animation_->IsAnimating()) {
+    if (show_highlighted_ && hover_animation_->is_animating()) {
       // Draw the hover bitmap into an offscreen buffer, then blend it
       // back into the current canvas.
       canvas->saveLayerAlpha(NULL,