Enable new media playback UI.

LayoutTests/media/track/track-cue-container-rendering-position.html

Index: LayoutTests/media/track/track-cue-container-rendering-position.html
diff --git a/LayoutTests/media/track/track-cue-container-rendering-position.html b/LayoutTests/media/track/track-cue-container-rendering-position.html
index 30c02df8b71e307f58f18907aecb2de8bf8f3ce5..03ad6839f10bea63a554a6afffb38cb9fd2cd273 100644
--- a/LayoutTests/media/track/track-cue-container-rendering-position.html
+++ b/LayoutTests/media/track/track-cue-container-rendering-position.html
@@ -21,13 +21,13 @@
             consoleWrite("");
             cueDisplayElement = textTrackDisplayElement(video, 'display', 0);
             document.body.offsetTop; // Force layout.
-            testExpected("cueDisplayElement.offsetTop > (video.videoHeight * .75)", true);

[liberato (no reviews please), 2015/07/14 22:18:57]

this is changed because the bar is higher.

+            testExpected("cueDisplayElement.offsetTop > (video.videoHeight * .65)", true);
             endTest();
         }
 
         function loaded()
         {
-            consoleWrite("The top of the text track container should be in the bottom 25% of the video element.");
+            consoleWrite("The top of the text track container should be in the bottom 35% of the video element.");
 
             findMediaElement();
             video.src = findMediaFile('video', '../content/test');