[MD settings] move <dialog> out of content

chrome/browser/resources/settings/controls/settings_toggle_button.js

Index: chrome/browser/resources/settings/controls/settings_toggle_button.js
diff --git a/chrome/browser/resources/settings/controls/settings_toggle_button.js b/chrome/browser/resources/settings/controls/settings_toggle_button.js
index 1352bccfeadf21ee4242a8d4dfe60e9c1e330d12..5a05d7199ca721bcd46c989e0f792b048340843e 100644
--- a/chrome/browser/resources/settings/controls/settings_toggle_button.js
+++ b/chrome/browser/resources/settings/controls/settings_toggle_button.js
@@ -9,6 +9,8 @@
 Polymer({
   is: 'settings-toggle-button',
 
+  behaviors: [SettingsBooleanControlBehavior],
+
   properties: {
     elideLabel: {
       type: Boolean,
@@ -16,7 +18,10 @@ Polymer({
     },
   },
 
-  behaviors: [SettingsBooleanControlBehavior],
+  /** @override */
+  focus: function() {
+    this.$.control.focus();
+  },
 
   /** @private */
   onLabelWrapperTap_: function() {