Bug 1389740 - Add urlbar-icon class to the URL bar history dropmarker. r=gijs

MozReview-Commit-ID: DYrbA9H5R2I

browser/base/content/urlbarBindings.xml

@@ -48,7 +48,7 @@ file, You can obtain one at http://mozilla.org/MPL/2.0/.
                      xbl:inherits="pageproxystate,parentfocused=focused"/>
         </xul:hbox>
         <xul:dropmarker anonid="historydropmarker"
-                        class="autocomplete-history-dropmarker urlbar-history-dropmarker"
+                        class="autocomplete-history-dropmarker urlbar-history-dropmarker urlbar-icon"
                         tooltiptext="&urlbar.openHistoryPopup.tooltip;"
                         allowevents="true"
                         xbl:inherits="open,enablehistory,parentfocused=focused"/>

browser/themes/shared/icons/arrow-dropdown-16.svg

@@ -2,5 +2,5 @@
    - License, v. 2.0. If a copy of the MPL was not distributed with this
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
 <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="16" height="16" viewBox="0 0 16 16">
-  <path fill="context-fill" d="M8,12L3,7,4,6l4,4,4-4,1,1Z"/>
+  <path fill="context-fill" fill-opacity="context-fill-opacity" d="M8,12L3,7,4,6l4,4,4-4,1,1Z"/>
 </svg>

browser/themes/shared/urlbar-searchbar.inc.css

@@ -112,8 +112,6 @@
 .urlbar-history-dropmarker {
   -moz-appearance: none;
   list-style-image: url(chrome://browser/skin/arrow-dropdown-16.svg);
-  -moz-context-properties: fill;
-  fill: currentColor;
   transition: opacity 0.15s ease;
 }