Switch cc to std::unordered_*.

cc/animation/animation_host.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_host.h"
 
 #include <algorithm>
 
 #include "base/macros.h"
 #include "cc/animation/animation_delegate.h"
@@ skipping 198 matching lines @@
                                            AnimationPlayer* player) {
   DCHECK(layer_id);
   DCHECK(player);
 
   ElementAnimations* element_animations =
       GetElementAnimationsForLayerId(layer_id);
   if (!element_animations) {
     auto new_element_animations = ElementAnimations::Create(this);
     element_animations = new_element_animations.get();
 
-    layer_to_element_animations_map_.add(layer_id,
-                                         std::move(new_element_animations));
+    layer_to_element_animations_map_[layer_id] =
+        std::move(new_element_animations);
     element_animations->CreateLayerAnimationController(layer_id);
   }
 
   DCHECK(element_animations);
   element_animations->AddPlayer(player);
 }
 
 void AnimationHost::UnregisterPlayerForLayer(int layer_id,
                                              AnimationPlayer* player) {
   DCHECK(layer_id);
@@ skipping 65 matching lines @@
   // layer animation controllers.
   for (auto& timeline : timelines_) {
     AnimationTimeline* timeline_impl =
         host_impl->GetTimelineById(timeline->id());
     if (timeline_impl)
       timeline->PushPropertiesTo(timeline_impl);
   }
 
   // Secondly, sync properties for created layer animation controllers.
   for (auto& kv : layer_to_element_animations_map_) {
-    ElementAnimations* element_animations = kv.second;
+    ElementAnimations* element_animations = kv.second.get();
     ElementAnimations* element_animations_impl =
         host_impl->GetElementAnimationsForLayerId(kv.first);
     if (element_animations_impl)
       element_animations->PushPropertiesTo(element_animations_impl);
   }
 }
 
 LayerAnimationController* AnimationHost::GetControllerForLayerId(
     int layer_id) const {
   const ElementAnimations* element_animations =
       GetElementAnimationsForLayerId(layer_id);
   if (!element_animations)
     return nullptr;
 
   return element_animations->layer_animation_controller();
 }
 
 ElementAnimations* AnimationHost::GetElementAnimationsForLayerId(
     int layer_id) const {
   DCHECK(layer_id);
   auto iter = layer_to_element_animations_map_.find(layer_id);
   return iter == layer_to_element_animations_map_.end() ? nullptr
-                                                        : iter->second;
+                                                        : iter->second.get();
 }
 
 void AnimationHost::SetSupportsScrollAnimations(
     bool supports_scroll_animations) {
   animation_registrar_->set_supports_scroll_animations(
       supports_scroll_animations);
 }
 
 bool AnimationHost::SupportsScrollAnimations() const {
   return animation_registrar_->supports_scroll_animations();
@@ skipping 229 matching lines @@
     int layer_id,
     const gfx::Vector2dF& scroll_delta,
     const gfx::ScrollOffset& max_scroll_offset,
     base::TimeTicks frame_monotonic_time) {
   DCHECK(scroll_offset_animations_);
   return scroll_offset_animations_->ScrollAnimationUpdateTarget(
       layer_id, scroll_delta, max_scroll_offset, frame_monotonic_time);
 }
 
 }  // namespace cc