MD Settings: update dialogs to focus without ink when using mouse

chrome/browser/resources/settings/device_page/storage.js

Index: chrome/browser/resources/settings/device_page/storage.js
diff --git a/chrome/browser/resources/settings/device_page/storage.js b/chrome/browser/resources/settings/device_page/storage.js
index f064d17a4b46cda5f7841e54f915f240b5cdf75e..07c2fd062297e8484f5f954d7fc31cd23f44f2a2 100644
--- a/chrome/browser/resources/settings/device_page/storage.js
+++ b/chrome/browser/resources/settings/device_page/storage.js
@@ -52,13 +52,15 @@ Polymer({
     /** @private */
     isGuest_: {
       type: Boolean,
-      value: function() { return loadTimeData.getBoolean('isGuest'); }
+      value: function() {
+        return loadTimeData.getBoolean('isGuest');
+      }
     },
 
     /** @private */
     hasDriveCache_: {
       type: Boolean,
-      value: false
+      value: false,
     },
 
     /** @private {settings.StorageSizeStat} */
@@ -305,6 +307,6 @@ Polymer({
 
   /** @private */
   onCloseDriveCacheDialog_: function() {
-    this.$$('#deleteButton').focus();
+    cr.ui.focusWithoutInk(assert(this.$$('#deleteButton')));
   },
 });