Make all LayerAnimationElement::Create*Element return unique_ptr

ui/compositor/layer_animation_sequence.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/compositor/layer_animation_sequence.h"
 
 #include <algorithm>
 #include <iterator>
 
 #include "base/trace_event/trace_event.h"
@@ skipping 164 matching lines @@
   size_t current_index = last_element_ % elements_.size();
   while (current_index < elements_.size()) {
     elements_[current_index]->Abort(delegate);
     ++current_index;
   }
   last_element_ = 0;
   waiting_for_group_start_ = false;
   NotifyAborted();
 }
 
 void LayerAnimationSequence::AddElement(LayerAnimationElement* element) {

[loyso (OOO), 2016/12/06 04:21:56]

AddElement(std::unique_ptr<LayerAnimationElement> element) ?

   properties_ |= element->properties();
-  elements_.push_back(make_linked_ptr(element));
+  elements_.emplace_back(element);

[loyso (OOO), 2016/12/06 04:21:56]

push_back(std::move(element))

 }
 
 bool LayerAnimationSequence::HasConflictingProperty(
     LayerAnimationElement::AnimatableProperties other) const {
   return (properties_ & other) != LayerAnimationElement::UNKNOWN;
 }
 
 bool LayerAnimationSequence::IsFirstElementThreaded() const {
   if (!elements_.empty())
     return elements_[0]->IsThreaded();
@@ skipping 77 matching lines @@
 
 LayerAnimationElement* LayerAnimationSequence::CurrentElement() const {
   if (elements_.empty())
     return NULL;
 
   size_t current_index = last_element_ % elements_.size();
   return elements_[current_index].get();
 }
 
 }  // namespace ui