Removed WONTFIX tests

LayoutTests/fast/events/pageshow-pagehide-on-back-cached.html

Index: LayoutTests/fast/events/pageshow-pagehide-on-back-cached.html
diff --git a/LayoutTests/fast/events/pageshow-pagehide-on-back-cached.html b/LayoutTests/fast/events/pageshow-pagehide-on-back-cached.html
deleted file mode 100644
index e99815b6cca91410e356984bff8859e5bcb7684c..0000000000000000000000000000000000000000
--- a/LayoutTests/fast/events/pageshow-pagehide-on-back-cached.html
+++ /dev/null
@@ -1,28 +0,0 @@
-<p>Test pageshow/pagehide event behavior when navigating back to an cached page.</p>
-<script>
-if (window.testRunner) {
-    testRunner.dumpAsText();
-    testRunner.waitUntilDone();
-      testRunner.overridePreference("WebKitUsesPageCachePreferenceKey", 1);
-}
-
-window.onload = function(evt) {
-    alert("window.onload");
-}
-
-window.onpageshow = function(evt) {
-    alert("window.onpageshow" + ", target = " + evt.target + ", persisted = " + evt.persisted);
-    if (evt.persisted) {
-        // Returned back.
-        window.onpagehide = null;
-        setTimeout(function() { if (window.testRunner) testRunner.notifyDone(); }, 0);
-    } else {
-        setTimeout('window.location.href = "data:text/html,<script>history.back();</scr" + "ipt>"', 0);
-    }
-}
-
-window.onpagehide = function(evt) {
-    alert("window.onpagehide" + ", target = " + evt.target + ", persisted = " + evt.persisted);
-}
-
-</script>