DevTools: Switch to using fast stack iterator to collect stacks during timeline recording.

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

Index: third_party/WebKit/LayoutTests/http/tests/inspector/timeline-test.js
diff --git a/third_party/WebKit/LayoutTests/http/tests/inspector/timeline-test.js b/third_party/WebKit/LayoutTests/http/tests/inspector/timeline-test.js
index f23b3e659ea2790fd2faa711303f6cda3e362df4..fb689fbbf1da243f8b73e6f2547c23722da03600 100644
--- a/third_party/WebKit/LayoutTests/http/tests/inspector/timeline-test.js
+++ b/third_party/WebKit/LayoutTests/http/tests/inspector/timeline-test.js
@@ -71,16 +71,16 @@ InspectorTest.timelineFrameModel = function()
     return WebInspector.panels.timeline._frameModel;
 }
 
-InspectorTest.startTimeline = function(callback)
+InspectorTest.startTimeline = function(callback, disableSampling)

[caseq, 2016/01/26 01:22:04]

callback should always be last.

[alph, 2016/01/26 02:04:51]

Acknowledged.

 {
     var panel = WebInspector.panels.timeline;
     function onRecordingStarted()
     {
-        panel._model.removeEventListener(WebInspector.TimelineModel.Events.RecordingStarted, onRecordingStarted, this)
+        panel._model.removeEventListener(WebInspector.TimelineModel.Events.RecordingStarted, onRecordingStarted, this);
         callback();
     }
-    panel._model.addEventListener(WebInspector.TimelineModel.Events.RecordingStarted, onRecordingStarted, this)
-    panel._captureJSProfileSetting.set(false);
+    panel._model.addEventListener(WebInspector.TimelineModel.Events.RecordingStarted, onRecordingStarted, this);
+    panel._captureJSProfileSetting.set(!disableSampling);
     panel._toggleRecording();
 };
 
@@ -96,9 +96,9 @@ InspectorTest.stopTimeline = function(callback)
     panel._toggleRecording();
 };
 
-InspectorTest.evaluateWithTimeline = function(actions, doneCallback)
+InspectorTest.evaluateWithTimeline = function(actions, doneCallback, disableSampling)
 {
-    InspectorTest.startTimeline(step1);
+    InspectorTest.startTimeline(step1, disableSampling);
     function step1()
     {
         InspectorTest.evaluateInPage(actions, step2);