Switch cc to std::unordered_*.

cc/debug/frame_timing_tracker.h

Index: cc/debug/frame_timing_tracker.h
diff --git a/cc/debug/frame_timing_tracker.h b/cc/debug/frame_timing_tracker.h
index 5341b6ada84f4d81d0a464e2f25de0cac4d15ce2..117a1f9c9d97d3ff016875f0f18279b6b3d8dc37 100644
--- a/cc/debug/frame_timing_tracker.h
+++ b/cc/debug/frame_timing_tracker.h
@@ -7,10 +7,10 @@
 
 #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"
@@ -35,7 +35,7 @@ class CC_EXPORT FrameTimingTracker {
   };
 
   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,
@@ -49,7 +49,7 @@ class CC_EXPORT FrameTimingTracker {
   };
 
   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);