Remove early returns in fullscreen tests

LayoutTests/fullscreen/full-screen-remove-ancestor.html

Index: LayoutTests/fullscreen/full-screen-remove-ancestor.html
diff --git a/LayoutTests/fullscreen/full-screen-remove-ancestor.html b/LayoutTests/fullscreen/full-screen-remove-ancestor.html
index 26f4ed75540ac16b1af2527425dae4031f744337..bb0bbfdae62cad0d1376280132b22b58319e9864 100644
--- a/LayoutTests/fullscreen/full-screen-remove-ancestor.html
+++ b/LayoutTests/fullscreen/full-screen-remove-ancestor.html
@@ -2,35 +2,29 @@
 <script src="full-screen-test.js"></script>
 <div><span></span></div>
 <script>
-    // Bail out early if the full screen API is not enabled or is missing:
-    if (Element.prototype.webkitRequestFullScreen == undefined) {
-        logResult(false, "Element.prototype.webkitRequestFullScreen == undefined");
-        endTest();
-    } else {
-        var callback;
-        var fullscreenChanged = function(event)
-        {
-            if (callback)
-                callback(event)
-        };
-        waitForEvent(document, 'webkitfullscreenchange', fullscreenChanged);
+    var callback;
+    var fullscreenChanged = function(event)
+    {
+        if (callback)
+            callback(event)
+    };
+    waitForEvent(document, 'webkitfullscreenchange', fullscreenChanged);
 
-        var span = document.getElementsByTagName('span')[0];
-        var div = span.parentNode;
+    var span = document.getElementsByTagName('span')[0];
+    var div = span.parentNode;
 
-        var spanEnteredFullScreen = function(event) {
-            callback = spanExitedFullScreen;
-            testExpected("document.webkitCurrentFullScreenElement", span);
-            document.body.removeChild(div);
-        };
+    var spanEnteredFullScreen = function(event) {
+        callback = spanExitedFullScreen;
+        testExpected("document.webkitCurrentFullScreenElement", span);
+        document.body.removeChild(div);
+    };
 
-        var spanExitedFullScreen = function(event) {
-            callback = null;
-            testExpected("document.webkitCurrentFullScreenElement", null);
-            endTest();
-        };
+    var spanExitedFullScreen = function(event) {
+        callback = null;
+        testExpected("document.webkitCurrentFullScreenElement", null);
+        endTest();
+    };
 
-        callback = spanEnteredFullScreen;
-        runWithKeyDown(function(){span.webkitRequestFullScreen()});
-    }
+    callback = spanEnteredFullScreen;
+    runWithKeyDown(function(){span.webkitRequestFullScreen()});
 </script>