Don't show media controls on "focusin" when controls are disabled.

LayoutTests/media/video-controls-dont-show-on-focus-when-disabled.html

Index: LayoutTests/media/video-controls-dont-show-on-focus-when-disabled.html
diff --git a/LayoutTests/media/video-controls-show-on-focus.html b/LayoutTests/media/video-controls-dont-show-on-focus-when-disabled.html
similarity index 60%
copy from LayoutTests/media/video-controls-show-on-focus.html
copy to LayoutTests/media/video-controls-dont-show-on-focus-when-disabled.html
index 402c33a07e48ebc9ec74f4aa6f826855bd14ed0b..346ecb65d9ef3e775bf875cd0d0e1da908d2efc5 100644
--- a/LayoutTests/media/video-controls-show-on-focus.html
+++ b/LayoutTests/media/video-controls-dont-show-on-focus-when-disabled.html
@@ -4,9 +4,11 @@
 <script src=video-test.js></script>
 <script src=media-controls.js></script>
 <p>
-Test that video controls re-appear when the media (&lt;video>) element is focused.
+Test that video controls don't appear when the media (&lt;video>) element is
+focused and the 'controls' attribute is not set.
 </p>
-<video controls autoplay src="content/test.ogv"></video>
+<!-- 'tabindex' makes the video focusable despite it not having controls -->
+<video tabindex="0" autoplay src="content/test.ogv"></video>
 <script>
 var controls;
 var video = document.querySelector("video");
@@ -17,14 +19,8 @@ video.addEventListener("playing", function()
     {
         controls = mediaControlsButton(video, "panel");
 
-        testExpected("getComputedStyle(controls).opacity", 0);
         video.focus();
-
-        testExpected("getComputedStyle(controls).opacity", 1);
-
-        // We fade out when focus is lost, so the opacity is still 1
-        video.blur();
-        testExpected("getComputedStyle(controls).opacity", 1);
+        testExpected("getComputedStyle(controls).opacity", 0);
 
         endTest();
     }, video);