Timeline: check category presence in list, not string equality

Source/devtools/front_end/timeline/TimelineUIUtils.js

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  * Copyright (C) 2012 Intel Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 152 matching lines @@
     return WebInspector.TimelineUIUtils.eventStyle(record.traceEvent()).category;
 }
 
 /**
  * @param {!WebInspector.TracingModel.Event} event
  * @return {!{title: string, category: !WebInspector.TimelineCategory}}
  */
 WebInspector.TimelineUIUtils.eventStyle = function(event)
 {
     var eventStyles = WebInspector.TimelineUIUtils._initEventStyles();
-    if (event.category === WebInspector.TracingModel.ConsoleEventCategory)
+    if (event.hasCategory(WebInspector.TracingModel.ConsoleEventCategory))
         return { title: event.name, category: WebInspector.TimelineUIUtils.categories()["scripting"] };
 
     var result = eventStyles[event.name];
     if (!result) {
         result = new WebInspector.TimelineRecordStyle(WebInspector.UIString("Unknown: %s", event.name),  WebInspector.TimelineUIUtils.categories()["other"], true);
         eventStyles[event.name] = result;
     }
     return result;
 }
 
 /**
  * @param {!WebInspector.TracingModel.Event} event
  * @return {string}
  */
 WebInspector.TimelineUIUtils.eventTitle = function(event)
 {
     var title = WebInspector.TimelineUIUtils.eventStyle(event).title;
-    if (event.category === WebInspector.TracingModel.ConsoleEventCategory)
+    if (event.hasCategory(WebInspector.TracingModel.ConsoleEventCategory))
         return title;
     if (event.name === WebInspector.TimelineModel.RecordType.TimeStamp)
         return WebInspector.UIString("%s: %s", title, event.args["data"]["message"]);
     if (event.name === WebInspector.TimelineModel.RecordType.Animation && event.args["data"] && event.args["data"]["name"])
         return WebInspector.UIString("%s: %s", title, event.args["data"]["name"]);
     return title;
 }
 
 /**
  * @param {!WebInspector.TracingModel.Event} event
@@ skipping 102 matching lines @@
             var url = event.url;
             if (url)
                 detailsText = WebInspector.displayNameForURL(url);
         break;
 
     case recordType.Animation:
         detailsText = eventData && eventData["name"];
         break;
 
     default:
-        if (event.category === WebInspector.TracingModel.ConsoleEventCategory)
+        if (event.hasCategory(WebInspector.TracingModel.ConsoleEventCategory))
             detailsText = null;
         else
             detailsText = linkifyTopCallFrameAsText();
         break;
     }
 
     return detailsText;
 
     /**
      * @param {string} scriptId
@@ skipping 90 matching lines @@
     case recordType.UpdateLayoutTree:
     case recordType.RecalculateStyles:
         details = linkifyTopCallFrame();
         break;
     case recordType.EvaluateScript:
         var url = eventData["url"];
         if (url)
             details = linkifyLocation("", url, eventData["lineNumber"], 0);
         break;
     default:
-        if (event.category === WebInspector.TracingModel.ConsoleEventCategory)
+        if (event.hasCategory(WebInspector.TracingModel.ConsoleEventCategory))
             detailsText = null;
         else
             details = linkifyTopCallFrame();
         break;
     }
 
     if (!details && detailsText)
         details = createTextNode(detailsText);
     return details;
 
@@ skipping 1235 matching lines @@
 WebInspector.TimelineUIUtils.markerStyleForEvent = function(event)
 {
     var red = "rgb(255, 0, 0)";
     var blue = "rgb(0, 0, 255)";
     var orange = "rgb(255, 178, 23)";
     var green = "rgb(0, 130, 0)";
     var tallMarkerDashStyle = [10, 5];
 
     var title = WebInspector.TimelineUIUtils.eventTitle(event)
 
-    if (event.category === WebInspector.TracingModel.ConsoleEventCategory) {
+    if (event.hasCategory(WebInspector.TracingModel.ConsoleEventCategory)) {
         return {
             title: title,
             dashStyle: tallMarkerDashStyle,
             lineWidth: 0.5,
             color: orange,
             tall: false,
             lowPriority: false,
         };
     }
     var recordTypes = WebInspector.TimelineModel.RecordType;
@@ skipping 211 matching lines @@
             return;
 
         var stackTraceElement = parentElement.createChild("div", "timeline-details-view-row-value timeline-details-view-row-stack-trace monospace");
 
         var callFrameElem = WebInspector.DOMPresentationUtils.buildStackTracePreviewContents(this._target, this._linkifier, stackTrace);
 
         stackTraceElement.appendChild(callFrameElem);
     }
 
 }