Timeline: show white overlay till page being reloaded paints

third_party/WebKit/Source/devtools/front_end/sdk/TracingManager.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.
  */
 
 /**
  * @interface
  */
 WebInspector.TracingManagerClient = function()
@@ skipping 93 matching lines @@
         this._eventsRetrieved = 0;
         this._activeClient.tracingComplete();
         this._activeClient = null;
         this._finishing = false;
     },
 
     /**
      * @param {!WebInspector.TracingManagerClient} client
      * @param {string} categoryFilter
      * @param {string} options
+     * @param {string=} reloadingBanner
      * @param {function(?string)=} callback
      */
-    start: function(client, categoryFilter, options, callback)
+    start: function(client, categoryFilter, options, reloadingBanner, callback)
     {
         if (this._activeClient)
             throw new Error("Tracing is already started");
         var bufferUsageReportingIntervalMs = 500;
         this._activeClient = client;
-        this._target.tracingAgent().start(categoryFilter, options, bufferUsageReportingIntervalMs, WebInspector.TracingManager.TransferMode.ReportEvents, callback);
+        this._target.tracingAgent().start(categoryFilter, options, bufferUsageReportingIntervalMs, WebInspector.TracingManager.TransferMode.ReportEvents, undefined, reloadingBanner, callback);
         this._activeClient.tracingStarted();
     },
 
     stop: function()
     {
         if (!this._activeClient)
             throw new Error("Tracing is not started");
         if (this._finishing)
             throw new Error("Tracing is already being stopped");
         this._finishing = true;
@@ skipping 33 matching lines @@
     },
 
     /**
      * @override
      */
     tracingComplete: function()
     {
         this._tracingManager._tracingComplete();
     }
 }