MD Settings: show when the default search engine is controlled by policy

chrome/browser/resources/settings/search_page/search_page.html

+<link rel="import" href="chrome://resources/cr_elements/policy/cr_policy_pref_indicator.html">
 <link rel="import" href="chrome://resources/html/i18n_behavior.html">
 <link rel="import" href="chrome://resources/html/md_select_css.html">
 <link rel="import" href="chrome://resources/html/polymer.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-icon-button/paper-icon-button-light.html">
 <link rel="import" href="../controls/extension_controlled_indicator.html">
 <link rel="import" href="../controls/settings_toggle_button.html">
 <link rel="import" href="../icons.html">
 <link rel="import" href="../i18n_setup.html">
@@ skipping 24 matching lines @@
     </style>
     <settings-animated-pages id="pages" section="search"
         focus-config="[[focusConfig_]]">
       <neon-animatable route-path="default">
         <!-- Omnibox search engine -->
         <div class="settings-box first block">
           <div id="search-wrapper">
             <p id="searchExplanation" class="start">
               $i18nRaw{searchExplanation}
             </p>
+            <template is="dom-if" if="[[isDefaultSearchControlledByPolicy_(
+                prefs.default_search_provider_data.template_url_data)]]">
+              <cr-policy-pref-indicator pref="[[
+                  prefs.default_search_provider_data.template_url_data]]">
+              </cr-policy-pref-indicator>
+            </template>
             <div>
               <select class="md-select" on-change="onChange_"
                   aria-labelledby="searchExplanation"
-                  disabled$="[[
-                      prefs.default_search_provider.enabled.extensionId]]">
+                  disabled$="[[isDefaultSearchEngineEnforced_(
+                      prefs.default_search_provider_data.template_url_data)]]">
                 <template is="dom-repeat" items="[[searchEngines_]]">
                   <option selected="[[item.default]]">[[item.name]]</option>
                 </template>
               </select>
               <span class="md-select-underline"></span>
             </div>
           </div>
           <template is="dom-if"
-              if="[[prefs.default_search_provider.enabled.extensionId]]">
+              if="[[prefs.default_search_provider_data.template_url_data.extensionId]]">
             <extension-controlled-indicator
                 extension-id="[[
-                    prefs.default_search_provider.enabled.extensionId]]"
+                    prefs.default_search_provider_data.template_url_data.extensionId]]"
                 extension-name="[[
-                    prefs.default_search_provider.enabled.controlledByName]]"
+                    prefs.default_search_provider_data.template_url_data.controlledByName]]"
                 extension-can-be-disabled="[[
-                    prefs.default_search_provider.enabled.extensionCanBeDisabled]]"
+                    prefs.default_search_provider_data.template_url_data.extensionCanBeDisabled]]"
                 on-disable-extension="onDisableExtension_">
             </extension-controlled-indicator>
           </template>
         </div>
 
         <template is="dom-if" if="[[googleNowAvailable_]]">
           <!-- Google Now cards in the launcher -->
           <div class="settings-box continuation indented">
             <settings-toggle-button id="googleNowEnable" class="start"
                 pref="{{prefs.google_now_launcher.enabled}}"
@@ skipping 63 matching lines @@
         <settings-subpage
             associated-control="[[$$('#subpage-trigger')]]"
             page-title="$i18n{searchEnginesManage}">
           <settings-search-engines-page></settings-search-engines-page>
         </settings-subpage>
       </template>
     </settings-animated-pages>
   </template>
   <script src="search_page.js"></script>
 </dom-module>