Replace application/basilisk with browser/

browser/themes/linux/tabbrowser/newtab-inverted.svg

@@ -0,0 +1,13 @@
+<!-- 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/. -->
+<svg width="16" height="18" xmlns="http://www.w3.org/2000/svg">
+  <g stroke="#666" stroke-width="2" fill="none">
+    <rect x="7" y="3" width="2" height="12" rx="0.25" ry="0.25"/>
+    <rect x="2" y="8" width="12" height="2" rx="0.25" ry="0.25"/>
+  </g>
+  <g fill="#fff">
+    <rect x="7" y="3" width="2" height="12"/>
+    <rect x="2" y="8" width="12" height="2"/>
+  </g>
+</svg>