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

chrome/browser/ui/webui/options/options_browsertest.cc

 // Copyright 2013 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.
 
 #include "chrome/browser/ui/webui/options/options_browsertest.h"
 
 #include "base/bind.h"
+#include "base/command_line.h"
 #include "base/prefs/pref_service.h"
 #include "base/values.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
+#include "chrome/common/chrome_switches.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_ui.h"
 #include "url/gurl.h"
 
 using content::NavigationController;
 using content::NavigationEntry;
 using content::WebUIMessageHandler;
 
@@ skipping 38 matching lines @@
   ASSERT_TRUE(args->GetString(0, &pref_name));
   const base::Value* pref_value;
   ASSERT_TRUE(args->Get(1, &pref_value));
 
   browser()->profile()->GetPrefs()->Set(pref_name.c_str(), *pref_value);
 }
 
 content::WebUIMessageHandler* OptionsBrowserTest::GetMockMessageHandler() {
   return this;
 }
+
+void OptionsBrowserTest::SetUpCommandLine(

[please use gerrit instead, 2015/06/23 00:43:06]

Not a good idea to append --enable-multilingual-spellchecker to all tests for
chrome://settings. Unless you know how to make one test case flip the flag, you
probably need toadd a multilingual_spellchecker_options_browsertest.cc and the
corresponding .js file.

[Julius, 2015/06/24 21:17:59]

I just created a MultilanguageOptionsBrowserTest test class in
options_browsertest.js that reuses the typedefCppFixture from
multilanguage_options_webui_browsertest.js.

+    base::CommandLine* command_line) {
+  WebUIBrowserTest::SetUpCommandLine(command_line);
+  command_line->AppendSwitch(switches::kEnableMultilingualSpellChecker);
+}