Settings People Revamp: Tweak Cancel button on Disconnect dialog.

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

 <link rel="import" href="chrome://resources/cr_elements/icons.html">
 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/html/web_ui_listener_behavior.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/neon-animation/neon-animatable.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-checkbox/paper-checkbox.html">
 <link rel="import" href="chrome://resources/cr_elements/cr_dialog/cr_dialog.html">
 <link rel="import" href="/controls/settings_checkbox.html">
 <link rel="import" href="/people_page/sync_page.html">
 <link rel="import" href="/people_page/profile_info_browser_proxy.html">
@@ skipping 278 matching lines @@
       <div class="body">
         <div inner-h-t-m-l="[[getDisconnectExplanationHtml_(syncStatus.domain)]]">
         </div>
   <if expr="(not chromeos and is_posix) or is_win or is_macosx">
         <paper-checkbox id="deleteProfile" hidden=[[syncStatus.domain]]>
           $i18n{syncDisconnectDeleteProfile}
         </paper-checkbox>
   </if>
       </div>
       <div class="button-container">
-        <paper-button on-tap="onDisconnectCancel_">$i18n{cancel}</paper-button>
+        <paper-button on-tap="onDisconnectCancel_" class="cancel-button">
+          $i18n{cancel}
+        </paper-button>
         <paper-button id="disconnectConfirm" class="action-button"
             hidden=[[syncStatus.domain]] on-tap="onDisconnectConfirm_">
           $i18n{syncDisconnect}
         </paper-button>
         <paper-button id="disconnectManagedProfileConfirm" class="action-button"
             hidden=[[!syncStatus.domain]] on-tap="onDisconnectConfirm_">
           $i18n{syncDisconnectConfirm}
         </paper-button>
       </div>
     </cr-dialog>
 
 <if expr="chromeos">
     <template is="dom-if" if="[[easyUnlockEnabled_]]">
       <easy-unlock-turn-off-dialog id="easyUnlockTurnOffDialog">
       </easy-unlock-turn-off-dialog>
     </template>
 </if>
   </template>
   <script src="people_page.js"></script>
 </dom-module>