[Devtools] Replace "Stacks" with "Causes"

Source/devtools/front_end/timeline/TracingTimelineModel.js

Index: Source/devtools/front_end/timeline/TracingTimelineModel.js
diff --git a/Source/devtools/front_end/timeline/TracingTimelineModel.js b/Source/devtools/front_end/timeline/TracingTimelineModel.js
index 52a723183a0665eb42897f1d8b5d5853bcf12acb..2cd5efd8681d9011c0faab9ec83ef93ac7d996b8 100644
--- a/Source/devtools/front_end/timeline/TracingTimelineModel.js
+++ b/Source/devtools/front_end/timeline/TracingTimelineModel.js
@@ -121,11 +121,11 @@ WebInspector.TracingTimelineModel.VirtualThread = function(name)
 
 WebInspector.TracingTimelineModel.prototype = {
     /**
-     * @param {boolean} captureStacks
+     * @param {boolean} captureCauses
      * @param {boolean} captureMemory
      * @param {boolean} capturePictures
      */
-    startRecording: function(captureStacks, captureMemory, capturePictures)
+    startRecording: function(captureCauses, captureMemory, capturePictures)
     {
         function disabledByDefault(category)
         {
@@ -137,7 +137,7 @@ WebInspector.TracingTimelineModel.prototype = {
             disabledByDefault("devtools.timeline.frame"),
             WebInspector.TracingModel.ConsoleEventCategory
         ];
-        if (captureStacks) {
+        if (captureCauses) {
             categoriesArray.push(disabledByDefault("devtools.timeline.stack"));
             if (Runtime.experiments.isEnabled("timelineJSCPUProfile")) {
                 this._jsProfilerStarted = true;