Mark user caption color overrides as "!important" if either the color or opacity do not allow overrides.
Created attachment 188369 [details] Proposed patch
<rdar://problem/13201278>
Attachment 188369 [details] did not pass style-queue: Failed to run "['Tools/Scripts/check-webkit-style', '--diff-files']" exit_code: 1 Total errors found: 0 in 0 files If any of these errors are false positives, please file a bug against check-webkit-style.
Created attachment 188371 [details] Proposed patch
Committed in http://trac.webkit.org/r142910.