CC Animation: Fix pauseAnimation so it doesn't reset blink negative delays

cc/animation/layer_animation_controller.cc

 // Copyright 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 "cc/animation/layer_animation_controller.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "cc/animation/animation.h"
@@ skipping 28 matching lines @@
 scoped_refptr<LayerAnimationController> LayerAnimationController::Create(
     int id) {
   return make_scoped_refptr(new LayerAnimationController(id));
 }
 
 void LayerAnimationController::PauseAnimation(int animation_id,
                                               base::TimeDelta time_offset) {
   for (size_t i = 0; i < animations_.size(); ++i) {
     if (animations_[i]->id() == animation_id) {
       animations_[i]->SetRunState(Animation::PAUSED,
-                                  time_offset + animations_[i]->start_time());
+                                  time_offset + animations_[i]->start_time() +
+                                      animations_[i]->time_offset());
     }
   }
 }
 
 struct HasAnimationId {
   explicit HasAnimationId(int id) : id_(id) {}
   bool operator()(Animation* animation) const {
     return animation->id() == id_;
   }
 
@@ skipping 1008 matching lines @@
         &value_observers_);
     LayerAnimationValueObserver* obs;
     while ((obs = it.GetNext()) != nullptr)
       if (obs->IsActive())
         return true;
   }
   return false;
 }
 
 }  // namespace cc