Enables the user to select multiple languages for spellchecking (UI)

chrome/browser/ui/webui/options/multilanguage_options_webui_browsertest.h

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_UI_WEBUI_OPTIONS_MULTILANGUAGE_OPTIONS_WEBUI_BROWSERTEST_H_
+#define CHROME_BROWSER_UI_WEBUI_OPTIONS_MULTILANGUAGE_OPTIONS_WEBUI_BROWSERTEST_H_
+
+#include "base/macros.h"
+#include "chrome/test/base/web_ui_browser_test.h"
+
+// This is a helper class used by multilanguage_options_webui_browsertest.js
+// to flip the enable-multilingual-spellchecker command line switch and set
+// the AcceptLanguages and SpellcheckDictionaries preferences.
+class MultilanguageOptionsWebUIBrowserTest : public WebUIBrowserTest {
+ public:
+  MultilanguageOptionsWebUIBrowserTest();
+  ~MultilanguageOptionsWebUIBrowserTest() override;
+  void SetBlankDictionariesPref();
+
+ private:
+  void SetUpCommandLine(base::CommandLine* command_line) override;
+  void SetUpOnMainThread() override;
+
+  DISALLOW_COPY_AND_ASSIGN(MultilanguageOptionsWebUIBrowserTest);
+};
+
+#endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_MULTILANGUAGE_OPTIONS_WEBUI_BROWSERTEST_H_