Revert of id of iframe incorrectly sets window name

LayoutTests/fast/frames/detach-frame-during-focus.html

Index: LayoutTests/fast/frames/detach-frame-during-focus.html
diff --git a/LayoutTests/fast/frames/detach-frame-during-focus.html b/LayoutTests/fast/frames/detach-frame-during-focus.html
index f1c614cf925dd8bc41a09ffc5323a479914128a4..880ae7dd2daffbdc841fb7317009bb60395576fd 100644
--- a/LayoutTests/fast/frames/detach-frame-during-focus.html
+++ b/LayoutTests/fast/frames/detach-frame-during-focus.html
@@ -12,12 +12,11 @@
 function startTest() {
     if (didStartTest)
         return;
-    didStartTest = true;
-    var frameWindow = document.getElementById('frame1').contentWindow;
-    frameWindow.innerInput.focus();
+    didStartTest = true;;
+    frame1.innerInput.focus();
     outerInput.focus();
     document.execCommand('inserttext', false, 'abc');
-    frameWindow.innerInput.focus();
+    frame1.innerInput.focus();
     document.body.appendChild(document.createTextNode('PASS'));
     testRunner.notifyDone();
 }