Small fixes for the lock screen md-settings page.

chrome/browser/resources/chromeos/quick_unlock/pin_keyboard.html

 <!-- TODO(crbug.com/603217): Use i18n instead of string literals. Figure out
                              what i18n to use for keypad, ie, does 1 ABC make
                              sense in every scenario? -->
 
 <link rel="import" href="chrome://resources/cr_elements/icons.html">
 <link rel="import" href="chrome://resources/html/i18n_behavior.html">
 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-button/paper-button.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-styles/color.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-icon/iron-icon.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-iconset-svg/iron-iconset-svg.html">
 
 <iron-iconset-svg name="pin-keyboard" size="24">
   <svg>
     <defs>
       <!--
       Inlined from Polymer's iron-icons to avoid importing everything.
       See http://goo.gl/Y1OdAq for instructions on adding additional icons.
       -->
       <g id="forward"><path d="M12 8V4l8 8-8 8v-4H4V8z"></path></g>
-  </defs>
-</svg>
+    </defs>
+  </svg>
 </iron-iconset-svg>
 
 <dom-module id="pin-keyboard">
   <template>
     <style>
       #root {
         direction: ltr;
         display: flex;
       }
 
@@ skipping 186 matching lines @@
             <inner-text class="icon-subheading">
               $i18n{pinKeyboardClear}
             </inner-text>
           </paper-button>
         </div>
       </div>
     </div>
   </template>
   <script src="pin_keyboard.js"></script>
 </dom-module>