[MD setting] tool tips on controlledBy site exceptions

chrome/browser/resources/settings/site_settings/site_list.html

+<link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/cr_elements/cr_action_menu/cr_action_menu.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/cr_elements/policy/cr_policy_pref_indicator.html">
 <link rel="import" href="chrome://resources/html/web_ui_listener_behavior.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-icon/iron-icon.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-icon-button/paper-icon-button.html">
 <link rel="import" href="../i18n_setup.html">
 <link rel="import" href="../icons.html">
 <link rel="import" href="../route.html">
 <link rel="import" href="../settings_shared_css.html">
 <link rel="import" href="add_site_dialog.html">
 <link rel="import" href="constants.html">
 <link rel="import" href="edit_exception_dialog.html">
@@ skipping 51 matching lines @@
       <div class="list-frame menu-content vertical-list" id="listContainer">
         <template is="dom-repeat" items="[[sites]]">
           <div class="list-item" actionable$="[[enableSiteSettings_]]"
               on-tap="onOriginTap_">
             <div class="favicon-image"
                 style$="[[computeSiteIcon(item.origin)]]">
             </div>
             <div class="middle no-min-width">
               <div class="selectable text-elide">[[item.displayName]]</div>
 
-              <!-- This div must not contain extra whitespace. -->
+              <!-- This div must not contain extra white-space. -->

[tommycli, 2017/03/27 16:02:07]

nitpick: i think 'whitespace' is more common in our code.

[dschuyler, 2017/03/28 01:05:53]

Done.

               <div class="selectable secondary text-elide" id="siteDescription"
                   >[[computeSiteDescription_(item)]]</div>
             </div>
-
-            <template is="dom-if" if="[[!!computeIconControlledBy_(item)]]">
-              <iron-icon icon="[[computeIconControlledBy_(item)]]"></iron-icon>
+            <template is="dom-if" if="[[item.controlledBy]]">
+              <cr-policy-pref-indicator pref="[[item]]"
+                  icon-aria-label="[[label]]">
+              </cr-policy-pref-indicator>
             </template>
 
             <paper-icon-button id="resetSite" icon="cr:delete"
-                hidden="[[isResetButtonHidden_(item.source, readOnlyList)]]"
+                hidden="[[isResetButtonHidden_(
+                    item.enforcement, readOnlyList)]]"
                 on-tap="onResetButtonTap_" alt="$i18n{siteSettingsActionReset}">
             </paper-icon-button>
             <paper-icon-button id="actionMenuButton" icon="cr:more-vert"
-                hidden="[[isActionMenuHidden_(item.source, readOnlyList)]]"
+                hidden="[[isActionMenuHidden_(item.enforcement, readOnlyList)]]"
                 on-tap="onShowActionMenuTap_" title="$i18n{moreActions}">
             </paper-icon-button>
             <template is="dom-if" if="[[enableSiteSettings_]]">
               <div on-tap="onOriginTap_" actionable>
                 <button class="subpage-arrow" is="paper-icon-button-light"
                     aria-label$="[[item.displayName]]"
                     aria-describedby="siteDescription"></button>
               </div>
             </template>
           </div>
         </template>
       </div>
     </div>
     <template is="dom-if" if="[[showEditExceptionDialog_]]" restamp>
       <settings-edit-exception-dialog model="[[actionMenuSite_]]"
           on-close="onEditExceptionDialogClosed_">
       </settings-edit-exception-dialog>
     </template>
   </template>
   <script src="site_list.js"></script>
 </dom-module>