Add quick unlock Settings in options page

chrome/browser/resources/settings/people_page/lock_screen.html

Index: chrome/browser/resources/settings/people_page/lock_screen.html
diff --git a/chrome/browser/resources/settings/people_page/lock_screen.html b/chrome/browser/resources/settings/people_page/lock_screen.html
index 63188550791108426e157e8b53dbb6fe9795fce9..d7d89a0184fce0806f16058755127af61d9a6b32 100644
--- a/chrome/browser/resources/settings/people_page/lock_screen.html
+++ b/chrome/browser/resources/settings/people_page/lock_screen.html
@@ -16,19 +16,28 @@
         margin-left: 28px;
       }
 
+      .radio-indent[hidden] {

[jdufault, 2016/08/15 19:21:18]

Are these needed?

Add TODO to revert if so.

[xiaoyinh(OOO Sep 11-29), 2016/08/16 17:33:43]

Yes. It is very weird that in the options the hidden attribute is not working
unless I set it to "display: none" specifically. 
I have added TODO.
Thanks!

+        display: none;
+      }
+      .single-column[hidden] {
+        display: none;
+      }
+
       paper-button {
         text-transform: none;
       }
     </style>
 
     <div>
+      <!--TODO(xiaoyinh@): Revert changes to i18n text
+                           once we don't need to support options -->
       <div class="list-frame">
         <paper-radio-group selected="{{selectedUnlockType}}">
           <paper-radio-button name="password">
-            $i18n{lockScreenPasswordOnly}
+            [[i18n('lockScreenPasswordOnly')]]
           </paper-radio-button>
           <paper-radio-button name="pin+password">
-            $i18n{lockScreenPinOrPassword}
+            [[i18n('lockScreenPinOrPassword')]]
           </paper-radio-button>
           <div class="settings-box continuation radio-indent"
                hidden$="[[!showConfigurePinButton_(selectedUnlockType)]]">
@@ -39,7 +48,8 @@
         </paper-radio-group>
       </div>
 
-      <div class="settings-box single-column">
+      <div class="settings-box single-column"
+           hidden$="[[hideEnableScreenlock]]">
         <settings-checkbox pref="{{prefs.settings.enable_screen_lock}}"
                            label="$i18n{enableScreenlock}">
         </settings-checkbox>