Change cc::ElementId to be a uint64_t

cc/animation/animation_player.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/animation_player.h"
 
 #include <algorithm>
 
 #include "base/stl_util.h"
 #include "cc/animation/animation_delegate.h"
 #include "cc/animation/animation_events.h"
 #include "cc/animation/animation_host.h"
 #include "cc/animation/animation_timeline.h"
 #include "cc/animation/scroll_offset_animation_curve.h"
 #include "cc/trees/property_animation_state.h"
 
 namespace cc {
 
 scoped_refptr<AnimationPlayer> AnimationPlayer::Create(int id) {
   return make_scoped_refptr(new AnimationPlayer(id));
 }
 
 AnimationPlayer::AnimationPlayer(int id)
     : animation_host_(),
       animation_timeline_(),
       element_animations_(),
       animation_delegate_(),
       id_(id),
+      element_id_(kInvalidElementId),
       needs_push_properties_(false),
       needs_to_start_animations_(false),
       is_ticking_(false),
       scroll_offset_animation_was_interrupted_(false) {
   DCHECK(id_);
 }
 
 AnimationPlayer::~AnimationPlayer() {
   DCHECK(!animation_timeline_);
   DCHECK(!element_animations_);
@@ skipping 1166 matching lines @@
     if (current_impl)
       animations_[i]->PushPropertiesTo(current_impl);
   }
 
   animation_player_impl->scroll_offset_animation_was_interrupted_ =
       scroll_offset_animation_was_interrupted_;
   scroll_offset_animation_was_interrupted_ = false;
 }
 
 }  // namespace cc