Move fast/js/resources files to resources.

LayoutTests/fast/filesystem/resources/file-writer-abort-depth.js

 if (this.importScripts) {
     importScripts('fs-worker-common.js');
-    importScripts('../../js/resources/js-test-pre.js');
+    importScripts('../../../resources/js-test.js');
     importScripts('file-writer-utils.js');
 }
 
 description("Test that FileWriter defends against infinite recursion via abort.");
 
 var sawWriteStart;
 var sawAbort;
 var sawWriteEnd;
 var writer;
 var blob = new Blob(["lorem ipsum"]);
@@ skipping 48 matching lines @@
     fileWriter.onerror = onError;
     fileWriter.onabort = onAbort;
     fileWriter.onwritestart = onWriteStart;
     fileWriter.onwrite = onWrite;
     fileWriter.onwriteend = onWriteEnd;
     method();
 }
 
 var jsTestIsAsync = true;
 setupAndRunTest(2*1024*1024, 'file-writer-abort-depth', runTest);