webui: Do not set 'toolkit' property for webui.

chrome/common/extensions/docs/examples/api/fontSettings/js/cr.js

Index: chrome/common/extensions/docs/examples/api/fontSettings/js/cr.js
diff --git a/chrome/common/extensions/docs/examples/api/fontSettings/js/cr.js b/chrome/common/extensions/docs/examples/api/fontSettings/js/cr.js
index a3d1263238642ed1d85e9709126cc0b50a1524fe..69141a61643f62c66366478853b65b947891e4e5 100644
--- a/chrome/common/extensions/docs/examples/api/fontSettings/js/cr.js
+++ b/chrome/common/extensions/docs/examples/api/fontSettings/js/cr.js
@@ -325,18 +325,6 @@ this.cr = (function() {
      * Whether this is on vanilla Linux (not chromeOS).
      */
     cr.isLinux = /Linux/.test(navigator.userAgent);
-
-    /**
-     * Whether this uses GTK or not.
-     */
-    cr.isGTK = typeof chrome.getVariableValue == 'function' &&
-        /GTK/.test(chrome.getVariableValue('toolkit'));
-
-    /**
-     * Whether this uses the views toolkit or not.
-     */
-    cr.isViews = typeof chrome.getVariableValue == 'function' &&
-        /views/.test(chrome.getVariableValue('toolkit'));
   }
 
   return {