Removed fullscreen test timeouts to prevent flakiness.

LayoutTests/fullscreen/full-screen-iframe-legacy.html

Index: LayoutTests/fullscreen/full-screen-iframe-legacy.html
diff --git a/LayoutTests/fullscreen/full-screen-iframe-legacy.html b/LayoutTests/fullscreen/full-screen-iframe-legacy.html
index 4baa1243c7c10786ece22cef80d7e9a99a7cf04d..be701645e3f11fd9350ff9addf5cc5bea415bffe 100644
--- a/LayoutTests/fullscreen/full-screen-iframe-legacy.html
+++ b/LayoutTests/fullscreen/full-screen-iframe-legacy.html
@@ -9,11 +9,6 @@ function canplaythrough() {
     var frame = document.getElementById('frame');
 
     runWithKeyDown(function() {
-        setTimeout(function() { 
-            consoleWrite("FAIL - did not enter full screen!"); 
-            endTest(); 
-        }, 100);
-
         var video = frame.contentDocument.getElementsByTagName('video')[0];
         video.webkitEnterFullScreen();
     });