MD Settings: add empty list message for spell-check edit page.

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

Index: chrome/test/data/webui/settings/cr_settings_browsertest.js
diff --git a/chrome/test/data/webui/settings/cr_settings_browsertest.js b/chrome/test/data/webui/settings/cr_settings_browsertest.js
index 674ccbfa7fa0f1ff049a56b8071f96b97f86e9ed..621541ebdd8a8bfd75ffafbc15be60585848fa71 100644
--- a/chrome/test/data/webui/settings/cr_settings_browsertest.js
+++ b/chrome/test/data/webui/settings/cr_settings_browsertest.js
@@ -904,6 +904,34 @@ TEST_F('CrSettingsLanguagesTest', 'Languages', function() {
   mocha.run();
 });
 
+GEN('#if !defined(OS_MACOSX)');
+/**
+ * @constructor
+ * @extends {CrSettingsBrowserTest}
+ */
+function CrSettingsEditDictionaryPageTest() {}
+
+CrSettingsEditDictionaryPageTest.prototype = {
+  __proto__: CrSettingsBrowserTest.prototype,
+
+  /** @override */
+  browsePreload:
+      'chrome://md-settings/languages_page/edit_dictionary_page.html',
+
+  /** @override */
+  extraLibraries: CrSettingsBrowserTest.prototype.extraLibraries.concat([
+    '../fake_chrome_event.js',
+    'fake_settings_private.js',
+    'fake_language_settings_private.js',
+    'edit_dictionary_page_test.js',
+  ]),
+};
+
+TEST_F('CrSettingsEditDictionaryPageTest', 'EditDictionaryPage', function() {
+  mocha.run();
+});
+GEN('#endif');
+
 /**
  * @constructor
  * @extends {CrSettingsBrowserTest}