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

chrome/browser/gtk/bookmark_bar_gtk.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/gtk/bookmark_bar_gtk.h"
 
 #include <vector>
 
 #include "app/gtk_dnd_util.h"
 #include "app/l10n_util.h"
@@ skipping 374 matching lines @@
     Show(false);
   else
     gtk_widget_hide(widget());
 }
 
 int BookmarkBarGtk::GetHeight() {
   return event_box_->allocation.height - kBookmarkBarMinimumHeight;
 }
 
 bool BookmarkBarGtk::IsAnimating() {
-  return slide_animation_->IsAnimating();
+  return slide_animation_->is_animating();
 }
 
 bool BookmarkBarGtk::OnNewTabPage() {
   return (browser_ && browser_->GetSelectedTabContents() &&
           browser_->GetSelectedTabContents()->ShouldShowBookmarkBar());
 }
 
 void BookmarkBarGtk::Loaded(BookmarkModel* model) {
   // If |instructions_| has been nulled, we are in the middle of browser
   // shutdown. Do nothing.
@@ skipping 947 matching lines @@
 
   // Find the GtkWidget* for the actual target button.
   int shift = dir == GTK_MENU_DIR_PARENT ? -1 : 1;
   button_idx = (button_idx + shift + folder_list.size()) % folder_list.size();
   PopupForButton(folder_list[button_idx]);
 }
 
 void BookmarkBarGtk::CloseMenu() {
   current_context_menu_->Cancel();
 }