Site Settings Desktop: Implement Zoom Levels category.

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

Index: chrome/test/data/webui/settings/site_settings_category_tests.js
diff --git a/chrome/test/data/webui/settings/site_settings_category_tests.js b/chrome/test/data/webui/settings/site_settings_category_tests.js
index 2071c4fe8d004323b8e99dbb5fdab390435c52ea..37a186d48527d54b75d3b4b533a1f67663672401 100644
--- a/chrome/test/data/webui/settings/site_settings_category_tests.js
+++ b/chrome/test/data/webui/settings/site_settings_category_tests.js
@@ -131,7 +131,8 @@ cr.define('site_settings_category', function() {
           // Test category text ids and descriptions for those categories that
           // have those.
           if (category != settings.ContentSettingsTypes.FULLSCREEN &&
-              category != settings.ContentSettingsTypes.USB_DEVICES) {
+              category != settings.ContentSettingsTypes.USB_DEVICES &&
+              category != settings.ContentSettingsTypes.ZOOM_LEVELS) {
             assertNotEquals('', testElement.computeCategoryTextId(category));
 
             assertNotEquals('', testElement.computeCategoryDesc(