Site Settings WebUI: hide policy pref indicator when not enforced

Bug: 877896
Change-Id: I008e41233bf9378370b592425e5a928a0b97301f
Reviewed-on: https://chromium-review.googlesource.com/1195745Reviewed-by: Scott Chen <scottchen@chromium.org>
Commit-Queue: Esmael El-Moslimany <aee@chromium.org>
Cr-Commit-Position: refs/heads/master@{#587651}

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

@@ -54,7 +54,7 @@
           <div class="separator"></div>
         </template>
       </div>
-      <template is="dom-if" if="[[model.controlledBy]]">
+      <template is="dom-if" if="[[showPolicyPrefIndicator_]]">
         <cr-policy-pref-indicator pref="[[model]]"
             icon-aria-label="[[label]]" on-mouseenter="onShowTooltip_"
             on-focus="onShowTooltip_" focus-row-control focus-type="policy">

chrome/browser/resources/settings/site_settings/site_list_entry.js

@@ -44,6 +44,12 @@ Polymer({
       type: String,
       computed: 'computeSiteDescription_(model)',
     },
+
+    /** @private */
+    showPolicyPrefIndicator_: {
+      type: Boolean,
+      computed: 'computeShowPolicyPrefIndicator_(model)',
+    },
   },
 
   /** @private */
@@ -113,6 +119,16 @@ Polymer({
     return displayName;
   },
 
+  /**
+   * @return {boolean}
+   * @private
+   */
+  computeShowPolicyPrefIndicator_: function() {
+    return this.model.enforcement ==
+        chrome.settingsPrivate.Enforcement.ENFORCED &&
+        !!this.model.controlledBy;
+  },
+
   /** @private */
   onResetButtonTap_: function() {
     this.browserProxy.resetCategoryPermissionForPattern(