DevTools: Resume targets *after* stopping timeline recording.

third_party/WebKit/LayoutTests/http/tests/inspector/timeline-test.js

 var initialize_Timeline = function() {
 
 InspectorTest.preloadPanel("timeline");
 WebInspector.TempFile = InspectorTest.TempFileMock;
 
 // Scrub values when printing out these properties in the record or data field.
 InspectorTest.timelinePropertyFormatters = {
     children: "formatAsTypeName",
     endTime: "formatAsTypeName",
     requestId: "formatAsTypeName",
@@ skipping 103 matching lines @@
 InspectorTest.createTimelineModelWithEvents = function(events)
 {
     var tracingModel = new WebInspector.TracingModel(new WebInspector.TempFileBackingStorage("tracing"));
     var timelineModel = new WebInspector.TimelineModel(WebInspector.TimelineUIUtils.visibleEventsFilter());
     InspectorTest.setTraceEvents(timelineModel, tracingModel, events);
     return timelineModel;
 }
 
 InspectorTest.timelineController = function()
 {
-    return WebInspector.panels.timeline._controller;
+    var mainTarget = WebInspector.targetManager.mainTarget();
+    var timelinePanel =  WebInspector.panels.timeline;
+    return new WebInspector.TimelineController(mainTarget, timelinePanel, timelinePanel._tracingModel);
 }
 
 InspectorTest.startTimeline = function(callback)
 {
     var panel = WebInspector.panels.timeline;
     InspectorTest.addSniffer(panel, "recordingStarted", callback);
     panel._toggleRecording();
 };
 
 InspectorTest.stopTimeline = function(callback)
@@ skipping 323 matching lines @@
         if (!--count) {
             callback();
             return;
         }
         if (window.testRunner)
             testRunner.capturePixelsAsyncThen(requestAnimationFrame.bind(window, makeFrame));
         else
             window.requestAnimationFrame(makeFrame);
     }
 }