Switch cc to std::unordered_*.

cc/trees/layer_tree_host_impl.h

 // Copyright 2011 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_TREES_LAYER_TREE_HOST_IMPL_H_
 #define CC_TREES_LAYER_TREE_HOST_IMPL_H_
 
 #include <stddef.h>
 
 #include <set>
 #include <string>
+#include <unordered_map>
 #include <vector>
 
-#include "base/containers/hash_tables.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
 #include "cc/animation/animation_registrar.h"
 #include "cc/animation/scrollbar_animation_controller.h"
 #include "cc/base/cc_export.h"
 #include "cc/base/synced_property.h"
 #include "cc/debug/frame_timing_tracker.h"
 #include "cc/debug/micro_benchmark_controller_impl.h"
 #include "cc/input/input_handler.h"
@@ skipping 674 matching lines @@
   void UpdateRootLayerStateForSynchronousInputHandler();
 
   void ScrollAnimationAbort(LayerImpl* layer_impl);
 
   void ScrollAnimationCreate(LayerImpl* layer_impl,
                              const gfx::ScrollOffset& target_offset,
                              const gfx::ScrollOffset& current_offset);
   bool ScrollAnimationUpdateTarget(LayerImpl* layer_impl,
                                    const gfx::Vector2dF& scroll_delta);
 
-  typedef base::hash_map<UIResourceId, UIResourceData>
-      UIResourceMap;
+  using UIResourceMap = std::unordered_map<UIResourceId, UIResourceData>;
   UIResourceMap ui_resource_map_;
 
   // Resources that were evicted by EvictAllUIResources. Resources are removed
   // from this when they are touched by a create or destroy from the UI resource
   // request queue.
   std::set<UIResourceId> evicted_ui_resources_;
 
   OutputSurface* output_surface_;
 
   scoped_ptr<ResourceProvider> resource_provider_;
@@ skipping 81 matching lines @@
   bool resourceless_software_draw_;
 
   gfx::Rect viewport_damage_rect_;
 
   scoped_ptr<AnimationRegistrar> animation_registrar_;
   scoped_ptr<AnimationHost> animation_host_;
   std::set<VideoFrameController*> video_frame_controllers_;
 
   // Map from scroll layer ID to scrollbar animation controller.
   // There is one animation controller per pair of overlay scrollbars.
-  base::ScopedPtrHashMap<int, scoped_ptr<ScrollbarAnimationController>>
+  std::unordered_map<int, scoped_ptr<ScrollbarAnimationController>>
       scrollbar_animation_controllers_;
 
   RenderingStatsInstrumentation* rendering_stats_instrumentation_;
   MicroBenchmarkControllerImpl micro_benchmark_controller_;
   scoped_ptr<SynchronousTaskGraphRunner>
       single_thread_synchronous_task_graph_runner_;
 
   // Optional callback to notify of new tree activations.
   base::Closure tree_activation_callback_;
 
@@ skipping 10 matching lines @@
   scoped_ptr<FrameTimingTracker> frame_timing_tracker_;
 
   scoped_ptr<Viewport> viewport_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerTreeHostImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_HOST_IMPL_H_