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

chrome/browser/ui/webui/options/multilanguage_options_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_BROWSERTEST_H_
+#define CHROME_BROWSER_UI_WEBUI_OPTIONS_MULTILANGUAGE_OPTIONS_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 MultilanguageOptionsBrowserTest : public WebUIBrowserTest {
+ public:
+  MultilanguageOptionsBrowserTest();
+  ~MultilanguageOptionsBrowserTest() override;

[Dan Beam, 2015/07/09 17:56:48]

arguably put a doc comment for |SetBlankDictionaryPref()| if you can think of
something it'd add

[Julius, 2015/07/09 18:49:11]

I think a small comment saying that it sets the pref to an empty list could
clarify a bit.

+  void SetBlankDictionariesPref();

[Dan Beam, 2015/07/09 17:56:48]

nit: ClearSpellcheckDictionaries()

[Julius, 2015/07/09 18:49:11]

Done.

+
+ private:
+  void SetUpCommandLine(base::CommandLine* command_line) override;
+  void SetUpOnMainThread() override;
+
+  DISALLOW_COPY_AND_ASSIGN(MultilanguageOptionsBrowserTest);
+};
+
+#endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_MULTILANGUAGE_OPTIONS_BROWSERTEST_H_