sendBeacon should throw a TypeError on bad URLs.

third_party/WebKit/LayoutTests/fast/js/exec-state-marking.html

Index: third_party/WebKit/LayoutTests/fast/js/exec-state-marking.html
diff --git a/third_party/WebKit/LayoutTests/fast/js/exec-state-marking.html b/third_party/WebKit/LayoutTests/fast/js/exec-state-marking.html
index f3fe9144535826e4b594c00fd6dba6bb640bde4d..77efcbf47e340251b521ad0a832b1fc14cd008e6 100644
--- a/third_party/WebKit/LayoutTests/fast/js/exec-state-marking.html
+++ b/third_party/WebKit/LayoutTests/fast/js/exec-state-marking.html
@@ -8,7 +8,7 @@ PASS: You didn't crash.
 </pre>
 
 <a id="a"></a>
-
+<script src="../../resources/gc.js"></script>
 <script>
 function log(s)
 {
@@ -33,15 +33,6 @@ FailureObject.prototype.toString = function()
     return "FAIL"; // A marker to indicate that an object was collected and then overwritten by a FailureObject.
 }
 
-function gc()
-{
-    if (window.GCController)
-        GCController.collect();
-    else
-        for (var i = 0; i < 10000; ++i) // Allocate a sufficient number of objects to force a GC.
-            new FailureObject;
-}
-
 function gc1()
 {
     var script = document.createElement("script");