Pass collected frame timing events to Blink

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 <utility>
 #include <vector>
 
@@ skipping 12 matching lines @@
  public:
   struct CC_EXPORT CompositeTimingEvent {
     CompositeTimingEvent(int, base::TimeTicks);
     ~CompositeTimingEvent();
 
     int frame_id;
     base::TimeTicks timestamp;
   };
 
   using CompositeTimingSet =
-      base::hash_map<int, std::vector<CompositeTimingEvent>>;
+      base::hash_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<int, std::vector<MainFrameTimingEvent>>;
+      base::hash_map<int64_t, std::vector<MainFrameTimingEvent>>;
 
   static scoped_ptr<FrameTimingTracker> Create();
 
   ~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} ]
   // ====>
   // [ {r_id1,<{f_id1,t1},{f_id2,t2}>}, {r_id2,<{f_id3,t3}>} ]
@@ skipping 20 matching lines @@
 
   scoped_ptr<CompositeTimingSet> composite_events_;
   scoped_ptr<MainFrameTimingSet> main_frame_events_;
 
   DISALLOW_COPY_AND_ASSIGN(FrameTimingTracker);
 };
 
 }  // namespace cc
 
 #endif  // CC_DEBUG_FRAME_TIMING_TRACKER_H_