Bug 1501235 - Move menubar autohide code from xul.css to browser.css. r=bgrins

Differential Revision: https://phabricator.services.mozilla.com/D9499

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

browser/base/content/browser.css

@@ -70,6 +70,18 @@ toolbar[customizable="true"] {
   -moz-binding: url("chrome://browser/content/customizableui/toolbar.xml#toolbar");
 }
 
+%ifdef MENUBAR_CAN_AUTOHIDE
+#toolbar-menubar[autohide="true"] {
+  overflow: hidden;
+}
+
+#toolbar-menubar[autohide="true"][inactive="true"]:not([customizing="true"]) {
+  min-height: 0 !important;
+  height: 0 !important;
+  -moz-appearance: none !important;
+}
+%endif
+
 %ifdef XP_MACOSX
 #toolbar-menubar {
   -moz-binding: none;

toolkit/content/xul.css

@@ -282,17 +282,6 @@ toolbar[type="menubar"] {
   min-height: 0 !important;
   border: 0 !important;
 }
-%else
-toolbar[type="menubar"][autohide="true"] {
-  overflow: hidden;
-}
-
-toolbar[type="menubar"][autohide="true"][inactive="true"]:not([customizing="true"]) {
-  min-height: 0 !important;
-  height: 0 !important;
-  -moz-appearance: none !important;
-  border-style: none !important;
-}
 %endif
 
 toolbarspring {

toolkit/themes/linux/global/global.css

@@ -19,7 +19,7 @@ menulist > menupopup {
 }
 
 @media (-moz-menubar-drag) {
-  toolbar[type="menubar"]:not([autohide="true"]) {
+  toolbar[type="menubar"] {
     -moz-binding: url("chrome://global/content/bindings/toolbar.xml#toolbar-drag");
   }
 }

toolkit/themes/osx/global/toolbar.css

@@ -18,8 +18,6 @@ toolbar {
 
 toolbar:-moz-lwtheme {
   -moz-appearance: none;
-  background: none;
-  border-color: transparent;
 }
 
 toolbarseparator {