Convert Site Details to settings-subpage.

chrome/test/data/webui/settings/site_details_permission_tests.js

Index: chrome/test/data/webui/settings/site_details_permission_tests.js
diff --git a/chrome/test/data/webui/settings/site_details_permission_tests.js b/chrome/test/data/webui/settings/site_details_permission_tests.js
index 0e5bb8825a6a795b085a4570c5f5062014f428f3..c0796dec4f921b0fb4e8f398ff5a15b6e307772b 100644
--- a/chrome/test/data/webui/settings/site_details_permission_tests.js
+++ b/chrome/test/data/webui/settings/site_details_permission_tests.js
@@ -122,7 +122,7 @@ cr.define('site_details_permission', function() {
           assertFalse(testElement.$.details.hidden);
 
           browserProxy.setPrefs(prefsEmpty);
-          browserProxy.whenCalled('getExceptionList').then(function() {
+          return browserProxy.whenCalled('getExceptionList').then(function() {
             assertTrue(testElement.$.details.hidden);
           }.bind(this));
         }.bind(this));