Switch cc to std::unordered_*.

cc/animation/animation_host.h

 // 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.
 
 #ifndef CC_ANIMATION_ANIMATION_HOST_H_
 #define CC_ANIMATION_ANIMATION_HOST_H_
 
+#include <unordered_map>
 #include <vector>
 
-#include "base/containers/scoped_ptr_hash_map.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
 #include "cc/animation/animation.h"
 #include "cc/base/cc_export.h"
 #include "cc/trees/mutator_host_client.h"
 #include "ui/gfx/geometry/box_f.h"
 #include "ui/gfx/geometry/vector2d_f.h"
 
@@ skipping 139 matching lines @@
   void PushTimelinesToImplThread(AnimationHost* host_impl) const;
   void RemoveTimelinesFromImplThread(AnimationHost* host_impl) const;
   void PushPropertiesToImplThread(AnimationHost* host_impl);
 
   void EraseTimelines(AnimationTimelineList::iterator begin,
                       AnimationTimelineList::iterator end);
 
   // TODO(loyso): For now AnimationPlayers share LayerAnimationController object
   // if they are attached to the same element(layer). Note that Element can
   // contain many Layers.
-  typedef base::ScopedPtrHashMap<int, scoped_ptr<ElementAnimations>>
-      LayerToElementAnimationsMap;
+  using LayerToElementAnimationsMap =
+      std::unordered_map<int, scoped_ptr<ElementAnimations>>;
   LayerToElementAnimationsMap layer_to_element_animations_map_;
 
   AnimationTimelineList timelines_;
   scoped_ptr<AnimationRegistrar> animation_registrar_;
   MutatorHostClient* mutator_host_client_;
 
   class ScrollOffsetAnimations;
   scoped_ptr<ScrollOffsetAnimations> scroll_offset_animations_;
 
   const ThreadInstance thread_instance_;
 
   DISALLOW_COPY_AND_ASSIGN(AnimationHost);
 };
 
 }  // namespace cc
 
 #endif  // CC_ANIMATION_ANIMATION_HOST_H_