Remove MEDIA_SOURCE feature define.

Tools/Scripts/webkitperl/FeatureList.pm

 # Copyright (C) 2012 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 # 1.  Redistributions of source code must retain the above copyright
 #     notice, this list of conditions and the following disclaimer.
 # 2.  Redistributions in binary form must reproduce the above copyright
 #     notice, this list of conditions and the following disclaimer in the
@@ skipping 317 matching lines @@
 
     { option => "link-prerender", desc => "Toggle Link Prerender support",
       define => "ENABLE_LINK_PRERENDER", default => 0, value => \$linkPrerenderSupport },
 
     { option => "mathml", desc => "Toggle MathML support",
       define => "ENABLE_MATHML", default => !isBlackBerry(), value => \$mathmlSupport },
 
     { option => "media-capture", desc => "Toggle Media Capture support",
       define => "ENABLE_MEDIA_CAPTURE", default => isEfl(), value => \$mediaCaptureSupport },
 
-    { option => "media-source", desc => "Toggle Media Source support",
-      define => "ENABLE_MEDIA_SOURCE", default => 0, value => \$mediaSourceSupport },
-
     { option => "media-statistics", desc => "Toggle Media Statistics support",
       define => "ENABLE_MEDIA_STATISTICS", default => 0, value => \$mediaStatisticsSupport },
 
     { option => "media-stream", desc => "Toggle Media Stream support",
       define => "ENABLE_MEDIA_STREAM", default => (isChromium() || isBlackBerry()), value => \$mediaStreamSupport },
 
     { option => "meter-tag", desc => "Toggle Meter Tag support",
       define => "ENABLE_METER_ELEMENT", default => !isAppleWinWebKit(), value => \$meterTagSupport },
 
     { option => "mhtml", desc => "Toggle MHTML support",
@@ skipping 128 matching lines @@
     { option => "xslt", desc => "Toggle XSLT support",
       define => "ENABLE_XSLT", default => 1, value => \$xsltSupport },
 );
 
 sub getFeatureOptionList()
 {
     return @features;
 }
 
 1;