MD Settings: move autofill and manage password toggles to their subpages.

chrome/app/settings_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <!-- Settings-specific strings (included from generated_resources.grd). -->
 <grit-part>
   <!-- Main Page -->
   <if expr="chromeos">
     <message name="IDS_SETTINGS_SECONDARY_USER_BANNER" desc="Banner displayed in settings page when the user is secondary in a multi-profile session.">
       Some settings belonging to <ph name="PRIMARY_EMAIL">$1<ex>john@google.com</ex></ph> are being shared with you. These settings only affect your account when using multiple sign-in.
     </message>
   </if>
 
@@ skipping 316 matching lines @@
   </if>
   <message name="IDS_SETTINGS_CONTROLLED_BY_EXTENSION" desc="Label text of an indicator that a setting's value is being controlled by an extension.">
     <ph name="NAME">$1<ex>Adblocker plusplus</ex></ph> is controlling this setting
   </message>
   <message name="IDS_SETTINGS_CLEAR" desc="Label used on a menu item or button to clear an item.">
     Clear
   </message>
   <message name="IDS_SETTINGS_EDIT" desc="Label used on a menu item or button, used in different contexts to edit an item.">
     Edit
   </message>
+  <message name="IDS_SETTINGS_TOGGLE_ON" desc="Label used on a main settings toggle that is on.">
+    On
+  </message>
+  <message name="IDS_SETTINGS_TOGGLE_OFF" desc="Label used on a main settings toggle that is ooff.">
+    Off
+  </message>
 
   <!-- Passwords and Autofill Page -->
   <message name="IDS_SETTINGS_PASSWORDS_AND_AUTOFILL_PAGE_TITLE" desc="Name of the settings page which allows managing passwords and autofill settings.">
     Passwords and forms
   </message>
   <message name="IDS_SETTINGS_AUTOFILL" desc="Name for the autofill section and toggle.">
     Autofill settings
   </message>
   <message name="IDS_SETTINGS_GOOGLE_PAYMENTS" desc="Label used to differentiate when an address or credit card entry comes from Google Payments. This should follow the casing of the 'Google Payments' brand.">
     Google Payments
@@ skipping 2592 matching lines @@
       System
     </message>
     <message name="IDS_SETTINGS_SYSTEM_HARDWARE_ACCELERATION_LABEL" desc="Label for the checkbox that forces Chrome to render via hardware acceleration (GPU) when available.">
       Use hardware acceleration when available
     </message>
     <message name="IDS_SETTINGS_SYSTEM_PROXY_SETTINGS_BUTTON" desc="Text for the button that changes a user's network proxy settings.">
       Change proxy settings
     </message>
   </if>
 </grit-part>