Bug 871291 - Replace CSS selector -moz-locale-dir with chromedir selector inside pluginProblem.css, r=dolske

toolkit/themes/osx/mozapps/plugins/pluginProblem.css

@@ -163,7 +163,7 @@ html|a {
   background-repeat: no-repeat;
 }
 
-.closeIcon:-moz-locale-dir(rtl) {
+.mainBox[chromedir="rtl"] .closeIcon {
   right: auto;
   left: 4px;
 }

toolkit/themes/windows/mozapps/plugins/pluginProblem.css

@@ -172,7 +172,7 @@ html|a {
   background-repeat: no-repeat;
 }
 
-.closeIcon:-moz-locale-dir(rtl) {
+.mainBox[chromedir="rtl"] .closeIcon {
   right: auto;
   left: 4px;
 }