Add desktop UI for the subresource filter content setting.

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

Index: chrome/test/data/webui/settings/site_list_tests.js
diff --git a/chrome/test/data/webui/settings/site_list_tests.js b/chrome/test/data/webui/settings/site_list_tests.js
index 16732132dcd133f9986334b880c2ad72c7d39b1a..441da27ad7e8936f3d26335d801229351e9c7fe8 100644
--- a/chrome/test/data/webui/settings/site_list_tests.js
+++ b/chrome/test/data/webui/settings/site_list_tests.js
@@ -50,6 +50,7 @@ cr.define('site_list', function() {
       plugins: [],
       protectedContent: [],
       popups: [],
+      subresource_filter: [],
       unsandboxed_plugins: [],
     }
   };
@@ -158,6 +159,7 @@ cr.define('site_list', function() {
       midiDevices: [],
       protectedContent: [],
       popups: [],
+      subresource_filter: [],
       unsandboxed_plugins: [],
     }
   };
@@ -219,6 +221,7 @@ cr.define('site_list', function() {
       plugins: [],
       protectedContent: [],
       popups: [],
+      subresource_filter: [],
       unsandboxed_plugins: [],
     }
   };