WebUI: Fix/suppress some existing violations of no-restricted-globals.

ui/webui/resources/js/cr.js

Index: ui/webui/resources/js/cr.js
diff --git a/ui/webui/resources/js/cr.js b/ui/webui/resources/js/cr.js
index c18569508986426839993c39c68b3008ad68c6b9..8cc812455afdbbda23e96c9946b96efdaeb50c4d 100644
--- a/ui/webui/resources/js/cr.js
+++ b/ui/webui/resources/js/cr.js
@@ -310,8 +310,12 @@ var cr = cr || function() {
   function makePublic(ctor, methods, opt_target) {
     methods.forEach(function(method) {
       ctor[method] = function() {
-        var target = opt_target ? document.getElementById(opt_target) :
-                                  ctor.getInstance();
+        var target = opt_target ?
+            // Disable document.getElementById restriction since cr.js should
+            // not depend on util.js.
+            // eslint-disable-next-line no-restricted-properties
+            document.getElementById(opt_target) :
+            ctor.getInstance();
         return target[method + '_'].apply(target, arguments);
       };
     });