compositor: Tick the UI animations from cc, instead of from timer callbacks.

ui/aura/window.cc

 // Copyright (c) 2012 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 "ui/aura/window.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 199 matching lines @@
       ignore_events_(false),
       // Don't notify newly added observers during notification. This causes
       // problems for code that adds an observer as part of an observer
       // notification (such as the workspace code).
       observers_(ObserverList<WindowObserver>::NOTIFY_EXISTING_ONLY) {
   set_target_handler(delegate_);
 }
 
 Window::~Window() {
   // |layer()| can be NULL during tests, or if this Window is layerless.
-  if (layer())
+  if (layer()) {
+    if (layer()->owner() == this)
+      layer()->CompleteAllAnimations();
     layer()->SuppressPaint();
+  }
 
   // Let the delegate know we're in the processing of destroying.
   if (delegate_)
     delegate_->OnWindowDestroying(this);
   FOR_EACH_OBSERVER(WindowObserver, observers_, OnWindowDestroying(this));
 
   // TODO(beng): See comment in window_event_dispatcher.h. This shouldn't be
   //             necessary but unfortunately is right now due to ordering
   //             peculiarities. WED must be notified _after_ other observers
   //             are notified of pending teardown but before the hierarchy
@@ skipping 1196 matching lines @@
       return window;
     if (offset)
       *offset += window->bounds().OffsetFromOrigin();
   }
   if (offset)
     *offset = gfx::Vector2d();
   return NULL;
 }
 
 }  // namespace aura