md settings: Change color of error message from blue to red.

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

 <link rel="import" href="chrome://resources/html/polymer.html">
 
 <link rel="import" href="chrome://resources/html/assert.html">
 <link rel="import" href="chrome://resources/html/i18n_behavior.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-button/paper-button.html">
 <link rel="import" href="../i18n_setup.html">
 <link rel="import" href="../icons.html">
 <link rel="import" href="lock_screen_constants.html">
 <link rel="import" href="pin_keyboard.html">
 <link rel="import" href="../settings_shared_css.html">
 
 <dom-module id="settings-setup-pin-dialog">
   <template>
     <style include="settings-shared">
       .error {
         color: var(--paper-red-500);
-        color: blue;

[sammiequon, 2017/06/05 23:43:16]

Oops!

       }
 
       .error > iron-icon {
         --iron-icon-fill-color: var(--paper-red-500);
       }
 
       .warning {
         color: var(--paper-grey-700);
       }
 
@@ skipping 37 matching lines @@
         <paper-button class="action-button" on-tap="onPinSubmit_"
             disabled$="[[!enableSubmit_]]">
           <span>[[getContinueMessage_(isConfirmStep_)]]</span>
         </paper-button>
       </div>
     </dialog>
   </template>
 
   <script src="setup_pin_dialog.js"></script>
 </dom-module>