Update inline media control icons for OSX.

Update inline media control icons for OSX.
https://bugs.webkit.org/show_bug.cgi?id=142305.
<rdar://problem/19997484>

Reviewed by Dean Jackson.

Changes include: new volume button, new full screen button, new play/pause button.
Repositioning of 30 second and play buttons.
* Modules/mediacontrols/mediaControlsApple.css:
(audio::-webkit-media-controls-panel button):
(audio::-webkit-media-controls-rewind-button):
(audio::-webkit-media-controls-play-button):
(audio::-webkit-media-controls-play-button.paused):
(audio::-webkit-media-controls-panel .mute-box):
(video::-webkit-media-controls-volume-max-button):
(video::-webkit-media-controls-volume-min-button):
(audio::-webkit-media-controls-toggle-closed-captions-button):
(audio::-webkit-media-controls-fullscreen-button):
(audio::-webkit-media-controls-current-time-display):
* Modules/mediacontrols/mediaControlsApple.js:
(Controller.prototype.configureInlineControls): Swap positions of rewind and play buttons.
(Controller.prototype.handleMuteButtonClicked): Remember to update volume slider when necessary.
(Controller.prototype.updateVolume): Ditto
* platform/mac/TestExpectations: Skip two failing tests caused by this patch.
See https://bugs.webkit.org/show_bug.cgi?id=142142

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@181096 268f45cc-cd09-0410-ab3c-d52691b4dbfc