work around bug 670053 to enable test_bug665540.html

--HG--
extra : transplant_source : i%28%14%00%1F%A9h%11%3F%DD%26%CF%C2e%11%DF%D8BM%26

layout/forms/test/Makefile.in

@@ -82,16 +82,9 @@ _TEST_FILES =	test_bug231389.html \
 
 _CHROME_FILES = \
 		test_bug536567.html \
-		$(NULL)
-
-ifeq (WINNT,$(OS_ARCH))
-$(warning test_bug665540.html disabled due to bug 670053)
-else
-_CHROME_FILES += \
 		test_bug665540.html \
 		     bug665540_window.xul \
 		$(NULL)
-endif
 
 libs:: $(_TEST_FILES)
 	$(INSTALL) $^ $(DEPTH)/_tests/testing/mochitest/tests/$(relativesrcdir)

layout/forms/test/test_bug665540.html

@@ -24,6 +24,7 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=665540
 SimpleTest.waitForExplicitFinish();
 
 var win;
+var select;
 var optiona;
 var eventType = "mouseover";
 var timeoutID;
@@ -54,7 +55,7 @@ function childFocused() {
 }
 
 function openSelect() {
-    var select = win.document.getElementById("select");
+    select = win.document.getElementById("select");
     synthesizeMouseAtCenter(select, {}, win);
     // A yield was required on X11 tinderbox machines.
     // (Wasn't required on other platforms nor on an X11 system with kwin.)
@@ -90,6 +91,13 @@ function eventReceived(event) {
 }
 
 function finish() {
+    if (select && navigator.platform.indexOf("Win") >= 0) {
+        todo(false,
+             "Should not have to close select before closing its window");
+        // This avoids mochitest "Unable to restore focus" errors (bug 670053).
+        synthesizeMouseAtCenter(select, {}, win);
+    }
+
     // bug 670026
     ((navigator.platform.indexOf("Mac") < 0) ? is : todo_is)
         (win.windowState, win.STATE_FULLSCREEN,