Bug 1522290 - Remove Linux-only toolbarbutton-dropdown binding. r=dao

Differential Revision: https://phabricator.services.mozilla.com/D20043

--HG--
extra : moz-landing-system : lando

browser/themes/linux/jar.mn

@@ -28,7 +28,6 @@ browser.jar:
   skin/classic/browser/places/editBookmark.css        (places/editBookmark.css)
 * skin/classic/browser/places/sidebar.css             (places/sidebar.css)
   skin/classic/browser/places/organizer.css           (places/organizer.css)
-  skin/classic/browser/places/organizer.xml           (places/organizer.xml)
   skin/classic/browser/places/toolbarDropMarker.png   (places/toolbarDropMarker.png)
   skin/classic/browser/preferences/alwaysAsk.png      (preferences/alwaysAsk.png)
   skin/classic/browser/preferences/preferences.css    (preferences/preferences.css)

browser/themes/linux/places/organizer.css

@@ -61,7 +61,6 @@
 /* Menu */
 #placesMenu > menu {
   padding-inline-start: 4px;
-  -moz-binding: url("chrome://browser/skin/places/organizer.xml#toolbarbutton-dropdown");
   -moz-appearance: toolbarbutton;
 }
 
@@ -71,7 +70,9 @@
   color: ButtonText;
 }
 
-#placesMenu > menu > .menubar-right {
+#placesMenu > menu::after {
+  content: "";
+  display: -moz-box;
   -moz-appearance: toolbarbutton-dropdown;
   width: 12px;
   height: 12px;

browser/themes/linux/places/organizer.xml

@@ -1,21 +0,0 @@
-<?xml version="1.0"?>
-
-<!-- This Source Code Form is subject to the terms of the Mozilla Public
-   - 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/. -->
-
-<bindings id="organizerBindings"
-          xmlns="http://www.mozilla.org/xbl"
-          xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
-          xmlns:xbl="http://www.mozilla.org/xbl">
-
-  <binding id="toolbarbutton-dropdown"
-           extends="chrome://global/content/bindings/menu.xml#menu-base">
-    <content>
-      <xul:image class="menubar-left" xbl:inherits="src=image"/>
-      <xul:label class="menubar-text" xbl:inherits="value=label,accesskey,crop" crop="right"/>
-      <xul:hbox class="menubar-right"/>
-      <children includes="menupopup"/>
-    </content>
-  </binding>
-</bindings>