Timeline addTraceProvider API

third_party/WebKit/Source/devtools/front_end/timeline/TimelineController.js

 // Copyright 2016 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.Target} target
  * @param {!WebInspector.TimelineLifecycleDelegate} delegate
  * @param {!WebInspector.TracingModel} tracingModel
  * @implements {WebInspector.TargetManager.Observer}
@@ skipping 49 matching lines @@
         if (captureCauses && Runtime.experiments.isEnabled("timelineInvalidationTracking"))
             categoriesArray.push(disabledByDefault("devtools.timeline.invalidationTracking"));
         if (capturePictures) {
             categoriesArray.push(disabledByDefault("devtools.timeline.layers"),
                                  disabledByDefault("devtools.timeline.picture"),
                                  disabledByDefault("blink.graphics_context_annotations"));
         }
         if (captureFilmStrip)
             categoriesArray.push(disabledByDefault("devtools.screenshot"));
 
+        var extensionTraceProviders = WebInspector.extensionServer.traceProviders();
+        for (var i = 0; i < extensionTraceProviders.length; ++i) {
+            WebInspector.extensionServer.startTraceProviderRun(extensionTraceProviders[i].id);
+        }
+
         var categories = categoriesArray.join(",");
         this._startRecordingWithCategories(categories, enableJSSampling);
     },
 
     stopRecording: function()
     {
         this._allProfilesStoppedPromise = this._stopProfilingOnAllTargets();
         this._target.tracingManager.stop();
         this._targetsResumedPromise = WebInspector.targetManager.resumeAllTargets();
         this._delegate.loadingStarted();
@@ skipping 196 matching lines @@
 
     /**
      * @param {number} progress
      * @override
      */
     eventsRetrievalProgress: function(progress)
     {
         this._delegate.loadingProgress(progress);
     }
 }