Guest Mode: input method should default to the underlying latin keyboard layout.

chrome/browser/chromeos/input_method/input_method_util.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_INPUT_METHOD_INPUT_METHOD_UTIL_H_
 #define CHROME_BROWSER_CHROMEOS_INPUT_METHOD_INPUT_METHOD_UTIL_H_
 
 #include <cstddef>
 #include <map>
 #include <string>
@@ skipping 75 matching lines @@
       const std::string& language_code,
       const InputMethodDescriptor& current_input_method,
       std::vector<std::string>* out_input_method_ids) const;
 
   // Gets the language codes associated with the given input method IDs.
   // The returned language codes won't have duplicates.
   void GetLanguageCodesFromInputMethodIds(
       const std::vector<std::string>& input_method_ids,
       std::vector<std::string>* out_language_codes) const;
 
+  // Gets first input method associated with the language.
+  // Returns empty string on error.
+  std::string GetLanguageDefaultInputMethodId(const std::string& language_code);
+
   // Returns the input method ID of the hardware keyboard. e.g. "xkb:us::eng"
   // for the US Qwerty keyboard.
   std::string GetHardwareInputMethodId() const;
 
+  // Returns the login-allowed input method ID of the hardware keyboard.
+  std::string GetHardwareLoginInputMethodId() const;
+
+  // Returns true if given input method can be used to input login data.
+  bool IsLoginKeyboard(const std::string& input_method_id) const;
+
   // Returns true if the given input method id is supported.
   bool IsValidInputMethodId(const std::string& input_method_id) const;
 
   // Returns true if the given input method id is for a keyboard layout.
   static bool IsKeyboardLayout(const std::string& input_method_id);
 
   // Sets the list of component extension IMEs.
   void SetComponentExtensions(const InputMethodDescriptors& imes);
 
   // Returns the fallback input method descriptor (the very basic US
@@ skipping 53 matching lines @@
 
   InputMethodDelegate* delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(InputMethodUtil);
 };
 
 }  // namespace input_method
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_INPUT_METHOD_INPUT_METHOD_UTIL_H_