Disable non Latin keyboard layout on Lock screen and Sign-in screen.

chrome/browser/chromeos/input_method/input_method_util_unittest.cc

 // Copyright (c) 2012 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/chromeos/input_method/input_method_util.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 48 matching lines @@
 
     std::vector<std::string> layouts;
     std::vector<std::string> languages;
     layouts.push_back("us");
     languages.push_back("zh-CN");
 
     InputMethodDescriptor pinyin_ime(pinyin_ime_id,
                                      "Pinyin input for testing",
                                      layouts,
                                      languages,
+                                     false,
                                      GURL(""));
     input_methods.push_back(pinyin_ime);
 
     languages.clear();
     languages.push_back("zh-TW");
     InputMethodDescriptor zhuyin_ime(zhuyin_ime_id,
                                      "Zhuyin input for testing",
                                      layouts,
                                      languages,
+                                     false,
                                      GURL(""));
     input_methods.push_back(zhuyin_ime);
 
     util_.SetComponentExtensions(input_methods);
   }
 
   InputMethodDescriptor GetDesc(const std::string& id,
                                 const std::string& raw_layout,
                                 const std::string& language_code) {
     std::vector<std::string> layouts;
     layouts.push_back(raw_layout);
     std::vector<std::string> languages;
     languages.push_back(language_code);
     return InputMethodDescriptor(id,
                                  "",
                                  layouts,
                                  languages,
+                                 true,
                                  GURL());  // options page url
   }
 
   static string16 GetDisplayLanguageName(const std::string& language_code) {
     return l10n_util::GetDisplayNameForLocale(language_code, "en", true);
   }
 
   FakeInputMethodDelegate delegate_;
   InputMethodWhitelist whitelist_;
   TestableInputMethodUtil util_;
@@ skipping 377 matching lines @@
     EXPECT_FALSE(display_name.empty())
         << "Invalid language code " << language_code;
     // On error, GetDisplayNameForLocale() returns the |language_code| as-is.
     EXPECT_NE(language_code, UTF16ToUTF8(display_name))
         << "Invalid language code " << language_code;
   }
 }
 
 }  // namespace input_method
 }  // namespace chromeos