[Devtools] Replace "Stacks" with "Causes"

Source/devtools/front_end/timeline/TimelineFlameChart.js

Index: Source/devtools/front_end/timeline/TimelineFlameChart.js
diff --git a/Source/devtools/front_end/timeline/TimelineFlameChart.js b/Source/devtools/front_end/timeline/TimelineFlameChart.js
index f678352f84de7bbfdfa6179bc2f4c6f926d51459..0840f8303d68942df03d6639663cd5662ba319fd 100644
--- a/Source/devtools/front_end/timeline/TimelineFlameChart.js
+++ b/Source/devtools/front_end/timeline/TimelineFlameChart.js
@@ -42,7 +42,7 @@ WebInspector.TimelineFlameChartDataProvider = function(model, frameModel)
     this._frameModel = frameModel;
     this._font = "12px " + WebInspector.fontFamily();
     this._linkifier = new WebInspector.Linkifier();
-    this._captureStacksSetting = WebInspector.settings.createSetting("timelineCaptureStacks", true);
+    this._captureCausesSetting = WebInspector.settings.createSetting("timelineCaptureCauses", true);
     this._filters = [];
     this.addFilter(WebInspector.TracingTimelineUIUtils.hiddenEventsFilter());
     this.addFilter(new WebInspector.TracingTimelineModel.ExclusiveEventNameFilter([WebInspector.TracingTimelineModel.RecordType.Program]));
@@ -198,7 +198,7 @@ WebInspector.TimelineFlameChartDataProvider.prototype = {
     {
         var levelCount = this._appendAsyncEvents(threadTitle, asyncEvents);
         if (Runtime.experiments.isEnabled("timelineJSCPUProfile")) {
-            if (this._captureStacksSetting.get()) {
+            if (this._captureCausesSetting.get()) {
                 var jsFrameEvents = this._generateJSFrameEvents(syncEvents);
                 syncEvents = jsFrameEvents.mergeOrdered(syncEvents, WebInspector.TracingModel.Event.orderedCompareStartTime);
             }