Timeline: show white overlay till page being reloaded paints

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

Index: third_party/WebKit/Source/devtools/front_end/timeline/TimelineController.js
diff --git a/third_party/WebKit/Source/devtools/front_end/timeline/TimelineController.js b/third_party/WebKit/Source/devtools/front_end/timeline/TimelineController.js
index 6bc49a7d197ea8434c9f6ec5d4a3dacffa662b13..3824fba5e40ed70dc81ebf8424d4f32442cb0022 100644
--- a/third_party/WebKit/Source/devtools/front_end/timeline/TimelineController.js
+++ b/third_party/WebKit/Source/devtools/front_end/timeline/TimelineController.js
@@ -26,8 +26,9 @@ WebInspector.TimelineController.prototype = {
      * @param {boolean} captureMemory
      * @param {boolean} capturePictures
      * @param {boolean} captureFilmStrip
+     * @param {string=} reloadingBanner
      */
-    startRecording: function(captureCauses, enableJSSampling, captureMemory, capturePictures, captureFilmStrip)
+    startRecording: function(captureCauses, enableJSSampling, captureMemory, capturePictures, captureFilmStrip, reloadingBanner)
     {
         function disabledByDefault(category)
         {
@@ -66,7 +67,7 @@ WebInspector.TimelineController.prototype = {
             categoriesArray.push(disabledByDefault("devtools.screenshot"));
 
         var categories = categoriesArray.join(",");
-        this._startRecordingWithCategories(categories, enableJSSampling);
+        this._startRecordingWithCategories(categories, enableJSSampling, reloadingBanner);
     },
 
     stopRecording: function()
@@ -161,9 +162,10 @@ WebInspector.TimelineController.prototype = {
     /**
      * @param {string} categories
      * @param {boolean=} enableJSSampling
+     * @param {string=} reloadingBanner
      * @param {function(?string)=} callback
      */
-    _startRecordingWithCategories: function(categories, enableJSSampling, callback)
+    _startRecordingWithCategories: function(categories, enableJSSampling, reloadingBanner, callback)
     {
         WebInspector.targetManager.suspendAllTargets();
         var profilingStartedPromise = enableJSSampling && !Runtime.experiments.isEnabled("timelineTracingJSProfile") ?
@@ -173,7 +175,7 @@ WebInspector.TimelineController.prototype = {
         var target = this._target;
         var tracingManager = target.tracingManager;
         target.resourceTreeModel.suspendReload();
-        profilingStartedPromise.then(tracingManager.start.bind(tracingManager, this, categories, options, onTraceStarted));
+        profilingStartedPromise.then(tracingManager.start.bind(tracingManager, this, categories, options, reloadingBanner, onTraceStarted));
         /**
          * @param {?string} error
          */