[DeprecateAs] if call addEventListener or removeEventListener without enough arguments

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 a0ce4057a5caad02882b1c83873cddf821280ef4..09d2af9a88685d95810c2b8dfdc8787a20902232 100644
--- a/Source/core/frame/UseCounter.cpp
+++ b/Source/core/frame/UseCounter.cpp
@@ -748,6 +748,10 @@ String UseCounter::deprecationMessage(Feature feature)
     case SyncXHRWithCredentials:
         return "Setting 'XMLHttpRequest.withCredentials' for synchronous requests is deprecated.";
 
+    // http://crbug.com/353484
+    case EventTargetMissingArgs:
+        return "Omitting either of the first two arguments of 'EventTarget.addEventListener' or 'EventTarget.removeEventListener' is deprecated, as these are required (http://dom.spec.whatwg.org/#interface-eventtarget).";
+
     // Features that aren't deprecated don't have a deprecation message.
     default:
         return String();