Bug 1398290 - use folder icon and fix small issue with the path, r=mikedeboer

MozReview-Commit-ID: 92a8eCatd99

--HG--
extra : rebase_source : 88fce754e361753c48150ec785f0d39e6478fb38

browser/themes/shared/customizableui/panelUI.inc.css

@@ -2065,7 +2065,11 @@ photonpanelmultiview #panelMenu_pocket {
   -moz-appearance: none; /* To avoid native Windows hover styling */
   -moz-context-properties: fill;
   fill: currentColor;
+%ifdef XP_MACOSX
   list-style-image: url("chrome://browser/skin/find.svg");
+%else
+  list-style-image: url("chrome://browser/skin/folder.svg");
+%endif
   /* Measurement to vertically center this button: 1 line of text minus half of 4px top margin. */
   margin: calc(1em - 2px) 0 0;
   padding: 4px;

browser/themes/shared/icons/folder.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" width="16" height="16" viewBox="0 0 16 16">
-  <path fill="context-fill" d="M14 3H8.151L6.584 1.538A2 2 0 0 0 5.219 1H2a2 2 0 0 0-2 2v10a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V5a2 2 0 0 -2-2zM5.219 3l1.072 1H2V3zM14 13H2V5h6v-.014c.05 0 .1.014.151.014H14z"/>
+  <path fill="context-fill" d="M14 3H8.151L6.584 1.538A2 2 0 0 0 5.219 1H2a2 2 0 0 0-2 2v10a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V5a2 2 0 0 0-2-2zM5.219 3l1.072 1H2V3zM14 13H2V5h6v-.014c.05 0 .1.014.151.014H14z"/>
 </svg>