DevTools: Fix JSDoc and code landed in r169951.

Source/devtools/front_end/PowerProfiler.js

Index: Source/devtools/front_end/PowerProfiler.js
diff --git a/Source/devtools/front_end/PowerProfiler.js b/Source/devtools/front_end/PowerProfiler.js
index bae2e99f53fd322029e0ac8a5e3a329bb5cca3fb..63ff51e45c553f110aa5545c3b140b7c45c2bd08 100644
--- a/Source/devtools/front_end/PowerProfiler.js
+++ b/Source/devtools/front_end/PowerProfiler.js
@@ -33,7 +33,7 @@ WebInspector.PowerProfiler.prototype = {
 
 /**
  * @constructor
- * @implements {WebInspector.PowerEventDispatcher}
+ * @implements {PowerAgent.Dispatcher}
  */
 WebInspector.PowerDispatcher = function(profiler)
 {
@@ -44,7 +44,7 @@ WebInspector.PowerDispatcher = function(profiler)
 WebInspector.PowerDispatcher.prototype = {
     dataAvailable: function(events)
     {
-        for (var i in events)
+        for (var i = 0; i < events.length; ++i)
             this._profiler.dispatchEventToListeners(WebInspector.PowerProfiler.EventTypes.PowerEventRecorded, events[i]);
     }
 }