DevTools: adopt existing Timeline tests for tracing based Timeline

LayoutTests/inspector/tracing/timeline-time.html

Index: LayoutTests/inspector/tracing/timeline-time.html
diff --git a/LayoutTests/inspector/timeline/timeline-time.html b/LayoutTests/inspector/tracing/timeline-time.html
similarity index 85%
copy from LayoutTests/inspector/timeline/timeline-time.html
copy to LayoutTests/inspector/tracing/timeline-time.html
index 59410f975487a3040c0e5751d6a1538b89d3e035..0e1bfb77f837a84cf042b8da18c31d918fb0f4b9 100644
--- a/LayoutTests/inspector/timeline/timeline-time.html
+++ b/LayoutTests/inspector/tracing/timeline-time.html
@@ -78,8 +78,15 @@ function test()
     {
         function callback()
         {
+            function printRecord(record)
+            {
+                var title = WebInspector.TracingTimelineUIUtils.eventTitle(record.traceEvent(), InspectorTest.timelineModel());
+                InspectorTest.addResult("    " + title);
+            }
             var rootRecord = InspectorTest.timelinePresentationModel().rootRecord();
             InspectorTest.dumpPresentationRecord(rootRecord, undefined, undefined, ["FunctionCall", "ConsoleTime", "TimeStamp"]);
+            InspectorTest.addResult("Marker records:");
+            InspectorTest.printTimestampRecords(null, printRecord);
             InspectorTest.timelinePresentationModel().reset();
             next();
         }