DevTools: Add energy value under Timeline pie chart

Source/devtools/front_end/TimelinePanel.js

Index: Source/devtools/front_end/TimelinePanel.js
diff --git a/Source/devtools/front_end/TimelinePanel.js b/Source/devtools/front_end/TimelinePanel.js
index 69e664aa5c0acb8feb9f3f6bc2e22f5b0aecf3ff..33bcf2d2a20c64bf36259cf2b4e4a25db8f20d29 100644
--- a/Source/devtools/front_end/TimelinePanel.js
+++ b/Source/devtools/front_end/TimelinePanel.js
@@ -890,8 +890,12 @@ WebInspector.TimelinePanel.prototype = {
             aggregatedTotal += aggregatedStats[categoryName];
         aggregatedStats["idle"] = Math.max(0, endTime - startTime - aggregatedTotal);
 
+        var energy = 0;
+        if (Capabilities.canProfilePower) {
+          var energy = this._viewsForMode(WebInspector.TimelinePanel.Mode.Power).overviewView.calculateEnergy(startTime, endTime);

[alph, 2014/04/09 16:02:27]

drop {} and 'var'

[Pan, 2014/04/10 13:38:57]

Done.

+        }
         var fragment = document.createDocumentFragment();
-        fragment.appendChild(WebInspector.TimelineUIUtils.generatePieChart(aggregatedStats));
+        fragment.appendChild(WebInspector.TimelineUIUtils.generatePieChart(aggregatedStats, undefined, undefined, energy));
         var startOffset = startTime - this._model.minimumRecordTime();
         var endOffset = endTime - this._model.minimumRecordTime();
         var title = WebInspector.UIString("%s \u2013 %s", Number.millisToString(startOffset), Number.millisToString(endOffset));