[MD settings] side nav ink ripple on click

chrome/browser/resources/settings/settings_menu/settings_menu.js

Index: chrome/browser/resources/settings/settings_menu/settings_menu.js
diff --git a/chrome/browser/resources/settings/settings_menu/settings_menu.js b/chrome/browser/resources/settings/settings_menu/settings_menu.js
index d2a4c90547977df353e16b76a8f876d4c5389822..bf08e537f9a7f6b966ed7f97f1dbe9de9ff99a6b 100644
--- a/chrome/browser/resources/settings/settings_menu/settings_menu.js
+++ b/chrome/browser/resources/settings/settings_menu/settings_menu.js
@@ -66,7 +66,19 @@ Polymer({
    * @param {!Event} event

[Dan Beam, 2016/06/28 23:59:43]

this should be target

[dschuyler, 2016/07/06 21:05:33]

Done.

    * @private
    */
+  ripple_: function(target) {
+    var ripple = document.createElement('paper-ripple');
+    ripple.addEventListener('transitionend', function() {
+      Polymer.dom(target).removeChild(ripple);
+    });
+    Polymer.dom(target).appendChild(ripple);
+    ripple.downAction();
+    ripple.upAction();
+  },
+
+  /** @private */
   openPage_: function(event) {

[Dan Beam, 2016/06/28 23:59:43]

document |event|

[dschuyler, 2016/07/06 21:05:33]

Done.

+    this.ripple_(event.currentTarget);
     var submenuRoute = event.currentTarget.parentNode.dataset.page;
     if (submenuRoute) {
       this.currentRoute = {