Deflake storage/domstorage/events tests when run in random order

third_party/WebKit/LayoutTests/storage/domstorage/events/script-tests/case-sensitive.js

 description("Verify that storage events fire even when only the case of the value changes.");
 
 function test(storageString, callback)
 {
     window.completionCallback = callback;
     window.storage = eval(storageString);
     if (!storage) {
         testFailed(storageString + " DOES NOT exist");
         return;
     }
 
     debug("Testing " + storageString);
 
     storageEventList = new Array();
     evalAndLog("storage.clear()");
     shouldBe("storage.length", "0");
 
+    iframe.onload = onload;
+    iframe.src = "about:blank";
+}
+
+function onload()
+{
+    iframe.contentWindow.onstorage = function (e) {
+        window.parent.storageEventList.push(e);
+    };
+
     debug("");
     debug("Verify storage events are case sensitive");
     evalAndLog("storage.foo = 'test'");
 
     runAfterNStorageEvents(step1, 1);
 }
 
 function step1()
 {
     debug("Reset storage event list");
@@ skipping 14 matching lines @@
 function step3()
 {
     shouldBe("storageEventList.length", "1");
 
     completionCallback();
 }
 
 testStorages(test);
 
 var successfullyParsed = true;