Remove some of timeline experiments

Source/devtools/front_end/timeline/TracingTimelineModel.js

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @constructor
  * @param {!WebInspector.TracingModel} tracingModel
  * @param {!WebInspector.TimelineModel.Filter} recordFilter
  * @extends {WebInspector.TimelineModel}
  */
@@ skipping 78 matching lines @@
     DecodeImage: "Decode Image",
     ResizeImage: "Resize Image",
     DrawLazyPixelRef: "Draw LazyPixelRef",
     DecodeLazyPixelRef: "Decode LazyPixelRef",
 
     LazyPixelRef: "LazyPixelRef",
     LayerTreeHostImplSnapshot: "cc::LayerTreeHostImpl",
     PictureSnapshot: "cc::Picture"
 };
 
-WebInspector.TracingTimelineModel.defaultTracingCategoryFilter = "-*,disabled-by-default-cc.debug,disabled-by-default-devtools.timeline,disabled-by-default-devtools.timeline.frame";
-
 WebInspector.TracingTimelineModel.prototype = {
     /**
      * @param {boolean} captureStacks
      * @param {boolean} captureMemory
      * @param {boolean} capturePictures
      */
     startRecording: function(captureStacks, captureMemory, capturePictures)
     {
         function disabledByDefault(category)
         {
             return "disabled-by-default-" + category;
         }
-        var categories;
-        if (WebInspector.experimentsSettings.timelineTracingMode.isEnabled()) {
-            categories = WebInspector.TracingTimelineModel.defaultTracingCategoryFilter;
-        } else {
-            var categoriesArray = ["-*", disabledByDefault("devtools.timeline"), disabledByDefault("devtools.timeline.frame")];
-            if (captureStacks)
-                categoriesArray.push(disabledByDefault("devtools.timeline.stack"));
-            if (capturePictures) {
-                categoriesArray = categoriesArray.concat([
-                    disabledByDefault("devtools.timeline.layers"),
-                    disabledByDefault("devtools.timeline.picture"),
-                    disabledByDefault("blink.graphics_context_annotations")]);
-            }
-            categories = categoriesArray.join(",");
+        var categoriesArray = ["-*", disabledByDefault("devtools.timeline"), disabledByDefault("devtools.timeline.frame")];
+        if (captureStacks)
+            categoriesArray.push(disabledByDefault("devtools.timeline.stack"));
+        if (capturePictures) {
+            categoriesArray = categoriesArray.concat([
+                disabledByDefault("devtools.timeline.layers"),
+                disabledByDefault("devtools.timeline.picture"),
+                disabledByDefault("blink.graphics_context_annotations")]);
         }
+        var categories = categoriesArray.join(",");
         this._startRecordingWithCategories(categories);
     },
 
     stopRecording: function()
     {
         this._tracingModel.stop(this._didStopRecordingTraceEvents.bind(this));
     },
 
     /**
      * @param {string} sessionId
@@ skipping 623 matching lines @@
     },
 
     /**
      * @return {!WebInspector.TimelineModel}
      */
     timelineModel: function()
     {
         return this._model;
     }
 }