DevTools: make console.timeline/timelineEnd work for tracing based Timeline

Source/core/frame/UseCounter.cpp

Index: Source/core/frame/UseCounter.cpp
diff --git a/Source/core/frame/UseCounter.cpp b/Source/core/frame/UseCounter.cpp
index 16d466f43f5df85eefdbe34339d163c881b2c546..d5efd2996eefbec428364cabe4e2b475c345a49d 100644
--- a/Source/core/frame/UseCounter.cpp
+++ b/Source/core/frame/UseCounter.cpp
@@ -786,6 +786,12 @@ String UseCounter::deprecationMessage(Feature feature)
     case XHRProgressEventTotalSize:
         return "The XMLHttpRequest progress event property 'totalSize' is deprecated. Please use 'total' instead.";
 
+    case ConsoleTimeline:
+        return "console.timeline is deprecated. Please use the console.time instead.";
+
+    case ConsoleTimelineEnd:
+        return "console.timelineEnd is deprecated. Please use the console.timeEnd instead.";
+
     // Features that aren't deprecated don't have a deprecation message.
     default:
         return String();