Switch cc to std::unordered_*.

cc/debug/frame_timing_tracker.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_DEBUG_FRAME_TIMING_TRACKER_H_
 #define CC_DEBUG_FRAME_TIMING_TRACKER_H_
 
 #include <stdint.h>
 
+#include <unordered_map>
 #include <utility>
 #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/base/cc_export.h"
 #include "cc/base/delayed_unique_notifier.h"
 
 namespace cc {
 
 class LayerTreeHostImpl;
 
 // This class maintains a history of timestamps and rect IDs to communicate
 // frame events back to Blink
 // TODO(mpb): Start using this. crbug.com/442554
 class CC_EXPORT FrameTimingTracker {
  public:
   struct CC_EXPORT CompositeTimingEvent {
     CompositeTimingEvent(int, base::TimeTicks);
     ~CompositeTimingEvent();
 
     int frame_id;
     base::TimeTicks timestamp;
   };
 
   using CompositeTimingSet =
-      base::hash_map<int64_t, std::vector<CompositeTimingEvent>>;
+      std::unordered_map<int64_t, std::vector<CompositeTimingEvent>>;
 
   struct CC_EXPORT MainFrameTimingEvent {
     MainFrameTimingEvent(int frame_id,
                          base::TimeTicks timestamp,
                          base::TimeTicks end_time);
     ~MainFrameTimingEvent();
 
     int frame_id;
     base::TimeTicks timestamp;
     base::TimeTicks end_time;
   };
 
   using MainFrameTimingSet =
-      base::hash_map<int64_t, std::vector<MainFrameTimingEvent>>;
+      std::unordered_map<int64_t, std::vector<MainFrameTimingEvent>>;
 
   static scoped_ptr<FrameTimingTracker> Create(
       LayerTreeHostImpl* layer_tree_host_impl);
 
   ~FrameTimingTracker();
 
   // This routine takes all of the individual CompositeEvents stored in the
   // tracker and collects them by "rect_id", as in the example below.
   // [ {f_id1,r_id1,t1}, {f_id2,r_id1,t2}, {f_id3,r_id2,t3} ]
   // ====>
@@ skipping 26 matching lines @@
 
   LayerTreeHostImpl* layer_tree_host_impl_;
   DelayedUniqueNotifier post_events_notifier_;
 
   DISALLOW_COPY_AND_ASSIGN(FrameTimingTracker);
 };
 
 }  // namespace cc
 
 #endif  // CC_DEBUG_FRAME_TIMING_TRACKER_H_