CC Animations: Fix AnimationHost mode integration with Property Trees.

cc/animation/element_animations.cc

 // Copyright 2015 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 "cc/animation/element_animations.h"
 
 #include "cc/animation/animation_host.h"
 #include "cc/animation/animation_player.h"
 #include "cc/animation/animation_registrar.h"
 #include "cc/animation/layer_animation_value_observer.h"
@@ skipping 76 matching lines @@
           layer_id, LayerTreeType::ACTIVE))
     CreateActiveValueObserver();
   if (animation_host_->mutator_host_client()->IsLayerInTree(
           layer_id, LayerTreeType::PENDING))
     CreatePendingValueObserver();
 }
 
 void ElementAnimations::DestroyLayerAnimationController() {
   DCHECK(animation_host_);
 
+  if (active_value_observer_)
+    SetTransformIsPotentiallyAnimatingChanged(LayerTreeType::ACTIVE, false);
+  if (pending_value_observer_)
+    SetTransformIsPotentiallyAnimatingChanged(LayerTreeType::PENDING, false);
+
   DestroyPendingValueObserver();
   DestroyActiveValueObserver();
 
   if (layer_animation_controller_) {
     layer_animation_controller_->remove_value_provider(this);
     layer_animation_controller_->remove_layer_animation_delegate(this);
     layer_animation_controller_->SetAnimationRegistrar(nullptr);
     layer_animation_controller_ = nullptr;
   }
 }
@@ skipping 151 matching lines @@
   if (animation_host()) {
     DCHECK(animation_host()->mutator_host_client());
     return animation_host()->mutator_host_client()->GetScrollOffsetForAnimation(
         layer_id());
   }
 
   return gfx::ScrollOffset();
 }
 
 }  // namespace cc