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

chrome/browser/views/dropdown_bar_host.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/dropdown_bar_host.h"
 
 #include "app/slide_animation.h"
 #include "base/keyboard_codes.h"
 #include "base/scoped_handle.h"
 #include "chrome/browser/browser.h"
@@ skipping 74 matching lines @@
       animation_->Show();
     }
   }
 }
 
 void DropdownBarHost::SetFocusAndSelection() {
   view_->SetFocusAndSelection(true);
 }
 
 bool DropdownBarHost::IsAnimating() const {
-  return animation_->IsAnimating();
+  return animation_->is_animating();
 }
 
 void DropdownBarHost::Hide(bool animate) {
   if (!IsVisible())
     return;
   if (animate && !disable_animations_during_testing_) {
     animation_->Reset(1.0);
     animation_->Hide();
   } else {
     StopAnimation();
@@ skipping 202 matching lines @@
   focus_manager_->RegisterAccelerator(escape, this);
   esc_accel_target_registered_ = true;
 }
 
 void DropdownBarHost::UnregisterAccelerators() {
   DCHECK(esc_accel_target_registered_);
   views::Accelerator escape(base::VKEY_ESCAPE, false, false, false);
   focus_manager_->UnregisterAccelerator(escape, this);
   esc_accel_target_registered_ = false;
 }