New media playback UI.

LayoutTests/media/video-controls-drop-order-expected.txt

Index: LayoutTests/media/video-controls-drop-order-expected.txt
diff --git a/LayoutTests/media/video-controls-drop-order-expected.txt b/LayoutTests/media/video-controls-drop-order-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ccb9ea67f80f0d6bf72fac87304ea41d4a730ff2
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+Tests that the drop order for controls doesn't change.
+Output should be [video width in px] [seen or gone] [control name], with one line per control at each width.
+50 seen play-button
+50 gone timeline
+50 gone mute-button
+50 gone volume-slider
+50 gone fullscreen-button
+50 gone toggle-closed-captions-button
+50 gone time-remaining-display
+50 gone current-time-display
+100 seen play-button
+100 gone timeline
+100 gone mute-button
+100 gone volume-slider
+100 gone fullscreen-button
+100 seen toggle-closed-captions-button
+100 gone time-remaining-display
+100 gone current-time-display
+150 seen play-button
+150 gone timeline
+150 gone mute-button
+150 gone volume-slider
+150 seen fullscreen-button
+150 seen toggle-closed-captions-button
+150 gone time-remaining-display
+150 gone current-time-display
+200 seen play-button
+200 seen timeline
+200 gone mute-button
+200 gone volume-slider
+200 seen fullscreen-button
+200 seen toggle-closed-captions-button
+200 gone time-remaining-display
+200 gone current-time-display
+250 seen play-button
+250 seen timeline
+250 gone mute-button
+250 gone volume-slider
+250 seen fullscreen-button
+250 seen toggle-closed-captions-button
+250 gone time-remaining-display
+250 seen current-time-display
+300 seen play-button
+300 seen timeline
+300 gone mute-button
+300 seen volume-slider
+300 seen fullscreen-button
+300 seen toggle-closed-captions-button
+300 gone time-remaining-display
+300 seen current-time-display
+350 seen play-button
+350 seen timeline
+350 seen mute-button
+350 seen volume-slider
+350 seen fullscreen-button
+350 seen toggle-closed-captions-button
+350 gone time-remaining-display
+350 seen current-time-display
+400 seen play-button
+400 seen timeline
+400 seen mute-button
+400 seen volume-slider
+400 seen fullscreen-button
+400 seen toggle-closed-captions-button
+400 seen time-remaining-display
+400 seen current-time-display
+450 seen play-button
+450 seen timeline
+450 seen mute-button
+450 seen volume-slider
+450 seen fullscreen-button
+450 seen toggle-closed-captions-button
+450 seen time-remaining-display
+450 seen current-time-display
+500 seen play-button
+500 seen timeline
+500 seen mute-button
+500 seen volume-slider
+500 seen fullscreen-button
+500 seen toggle-closed-captions-button
+500 seen time-remaining-display
+500 seen current-time-display
+