Bug 590738 - Adjust color of menu separators in the app button menu. r=dao

--HG--
extra : rebase_source : cea6aefb986df9e8d0660f12cb119b62e3c7c371

browser/base/content/browser.xul

@@ -488,7 +488,7 @@
                     startlabel="&privateBrowsingCmd.start.label;"
                     stoplabel="&privateBrowsingCmd.stop.label;"
                     command="Tools:PrivateBrowsing"/>
-          <menuseparator/>
+          <menuseparator class="appmenu-menuseparator"/>
           <hbox class="split-menuitem">
             <menuitem id="appmenu-edit-menuitem"
                       label="&editMenu.label;"
@@ -512,7 +512,7 @@
           <menuitem id="appmenu_find"
                     label="&appMenuFind.label;"
                     command="cmd_find"/>
-          <menuseparator/>
+          <menuseparator class="appmenu-menuseparator"/>
           <menuitem id="appmenu_savePage"
                     label="&savePageCmd.label;"
                     command="Browser:SavePage"/>
@@ -541,7 +541,7 @@
               </menupopup>
             </menu>
           </hbox>
-          <menuseparator/>
+          <menuseparator class="appmenu-menuseparator"/>
           <menu id="appmenu_developer"
                 label="&developerMenu.label;">
             <menupopup id="appmenu_developer_popup">
@@ -563,7 +563,7 @@
                         oncommand="BrowserOffline.toggleOfflineStatus();"/>
             </menupopup>
           </menu>
-          <menuseparator/>
+          <menuseparator class="appmenu-menuseparator"/>
           <menuitem id="appmenu_fullScreen"
                     label="&fullScreenCmd.label;"
                     type="checkbox"

browser/themes/winstripe/browser/browser.css

@@ -199,6 +199,17 @@ statusbarpanel#statusbar-display {
     padding-top: 5px;
     font-family: "Segoe UI Semibold", "Segoe UI", sans-serif;
   }
+
+  .appmenu-menuseparator {
+    -moz-appearance: none;
+    margin-top: 3px;
+    margin-bottom: 3px;
+    -moz-margin-start: 30px;
+    padding: 0;
+    border-top: 1px solid #d6e5f5;
+    border-bottom: none;
+  }
+
   .appmenu-edit-button:not([disabled]):hover {
     border: 1px solid #b8d6fb;
     -moz-box-shadow: inset 0 0 1px white;