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 ba0bcf683f6583f8c0bd139ec9c398110944d076..89805fbba3f8ce078dc4ee833dc33eaa1c9801e7 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: [],
     }
   };
@@ -141,6 +142,7 @@ cr.define('site_list', function() {
       midiDevices: [],
       protectedContent: [],
       popups: [],
+      subresource_filter: [],
       unsandboxed_plugins: [],
     }
   };
@@ -197,6 +199,7 @@ cr.define('site_list', function() {
       plugins: [],
       protectedContent: [],
       popups: [],
+      subresource_filter: [],
       unsandboxed_plugins: [],
     }
   };