Update BB10 media render theme.
https://bugs.webkit.org/show_bug.cgi?id=105728

Patch by Tiancheng Jiang <tijiang@rim.com> on 2013-01-03
Reviewed by Yong Li.

Internally Reviewed by John Griggs.

Update GL friendly render method for audio volume.
Change the background color for embedded media player to semi-transparent.
Change remaining time font color to grey to match full screen video.
Change media slider thumb color to blue when pressed.

* css/mediaControlsBlackBerry.css:
(audio):
(audio::-webkit-media-controls-embedded-panel, video::-webkit-media-controls-embedded-panel):
(video::-webkit-media-controls-time-display-container, audio::-webkit-media-controls-time-display-container):
(video::-webkit-media-controls-timeline-container, audio::-webkit-media-controls-timeline-container):
(audio::-webkit-media-controls-current-time-display, video::-webkit-media-controls-current-time-display):
(video::-webkit-media-controls-time-remaining-display, audio::-webkit-media-controls-time-remaining-display):
(audio::-webkit-media-controls-volume-slider-container):
* platform/blackberry/RenderThemeBlackBerry.cpp:
(WebCore::RenderThemeBlackBerry::paintMediaSliderThumb):
(WebCore::RenderThemeBlackBerry::paintMediaVolumeSliderTrack):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@138712 268f45cc-cd09-0410-ab3c-d52691b4dbfc