Use shouldBecomeEqual in asynchronous spellchecking tests.

LayoutTests/editing/spelling/spelling-huge-text.html

Index: LayoutTests/editing/spelling/spelling-huge-text.html
diff --git a/LayoutTests/editing/spelling/spelling-huge-text.html b/LayoutTests/editing/spelling/spelling-huge-text.html
index 455f1636b33cf885b1f33ac49daf693112f3551f..2e5c190256dda8c2c544a2a98892d466b02df52f 100644
--- a/LayoutTests/editing/spelling/spelling-huge-text.html
+++ b/LayoutTests/editing/spelling/spelling-huge-text.html
@@ -41,17 +41,6 @@ function test()
     internals.settings.setUnifiedTextCheckerEnabled(true);
     internals.settings.setAsynchronousSpellCheckingEnabled(true);
 
-    function waitForMarkersToAppear(node, nretry)
-    {
-        if (nretry > 0 && internals.markerCountForNode(node, "spelling") < 6) {
-            window.setTimeout(function() { waitForMarkersToAppear(node, nretry - 1); }, 1);
-        } else {
-            shouldBe('internals.markerCountForNode(testEditable.childNodes[0], "spelling")', '6');
-            testEditable.removeChild(testEditable.childNodes[0]);
-            finishJSTest();
-        }
-    }
-
     if (window.testRunner) {
         testRunner.dumpAsText();
         testRunner.waitUntilDone();
@@ -60,7 +49,7 @@ function test()
     internals.setContinuousSpellCheckingEnabled(false);
     testEditable.focus();
     internals.setContinuousSpellCheckingEnabled(true);
-    waitForMarkersToAppear(testEditable.childNodes[0], 10);
+    shouldBecomeEqual('internals.markerCountForNode(testEditable.childNodes[0], "spelling")', '6', finishJSTest);

[tony, 2013/09/20 17:10:24]

Please clear the child node before calling finishJSTest so the expected.txt file
is not so large.

 }
 </script>
 <script src="../../fast/js/resources/js-test-post.js"></script>