Make js-test-post a noop.

LayoutTests/fast/canvas/webgl/WebGLContextEvent.html

Index: LayoutTests/fast/canvas/webgl/WebGLContextEvent.html
diff --git a/LayoutTests/fast/canvas/webgl/WebGLContextEvent.html b/LayoutTests/fast/canvas/webgl/WebGLContextEvent.html
index 240bb606a10d404738eab14432ed45aee200eebf..baeaa1dc57aa0065d9d7bbf78868a0fafe613c61 100644
--- a/LayoutTests/fast/canvas/webgl/WebGLContextEvent.html
+++ b/LayoutTests/fast/canvas/webgl/WebGLContextEvent.html
@@ -67,13 +67,7 @@ function runTest2()
 }
 
 function finish() {
-    var epilogue = document.createElement("script");
-    epilogue.onload = function() {
-        if (window.nonKhronosFrameworkNotifyDone)
-            window.nonKhronosFrameworkNotifyDone();
-    };
-    epilogue.src = "../../js/resources/js-test-post.js";
-    document.body.appendChild(epilogue);
+    finishJSTest();
 }
 
 </script>