Report time-related media metrics in milliseconds instead of seconds.

BUG=282679

Review URL: https://chromiumcodereview.appspot.com/23893004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@221256 0039d316-1c4b-4281-b951-d872f2087c98

tools/perf/metrics/media.js

@@ -149,8 +149,8 @@
     },
 
     stop: function() {
-      // Return delta time since start in secs.
-      return ((getCurrentTime() - this.start_) / 1000).toFixed(3);
+      // Return delta time since start in millisecs.
+      return ((getCurrentTime() - this.start_)).toFixed(3);
     }
   };
 

tools/perf/metrics/media.py

@@ -65,13 +65,13 @@ class MediaMetric(Metric):
       return
 
     if not self._skip_basic_metrics:
-      AddOneResult('avg_loop_time', 'sec')
-      AddOneResult('buffering_time', 'sec')
+      AddOneResult('buffering_time', 'ms')
       AddOneResult('decoded_audio_bytes', 'bytes')
       AddOneResult('decoded_video_bytes', 'bytes')
       AddOneResult('decoded_frame_count', 'frames')
       AddOneResult('dropped_frame_count', 'frames')
-      AddOneResult('time_to_play', 'sec')
+      AddOneResult('time_to_play', 'ms')
 
-    AddOneResult('seek', 'sec')
+    AddOneResult('avg_loop_time', 'ms')
+    AddOneResult('seek', 'ms')