Backed out changeset e6377178d093 (bug 1503161) for causing a bunch of regressions

browser/base/content/browser.css

@@ -559,17 +559,13 @@ html|input.urlbar-input:-moz-locale-dir(rtl) {
   direction: ltr !important;
   text-align: right !important;
 }
+
 /* Make sure that the location bar's alignment in RTL mode changes according
    to the input box direction if the user switches the text direction using
    cmd_switchTextDirection (which applies a dir attribute to the <input>). */
 html|input.urlbar-input[dir=ltr]:-moz-locale-dir(rtl) {
   text-align: left !important;
 }
-/* Show placeholder text in URL bar using correct direction */
-html|input.urlbar-input:-moz-locale-dir(rtl):placeholder-shown {
-  direction: rtl !important;
-}
-
 
 /*
  * Display visual cue that browser is under remote control by Marionette.