Add unit tests for SetAutoRepeatEnabled and SetAutoRepeatRate.

chrome/browser/chromeos/input_method/xkeyboard.h

 // Copyright (c) 2011 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_XKEYBOARD_H_
 #define CHROME_BROWSER_CHROMEOS_INPUT_METHOD_XKEYBOARD_H_
 #pragma once
 
 #include <queue>
 #include <set>
@@ skipping 123 matching lines @@
   // and "gb(extd)". Returns an empty string on error. This function is
   // protected: for testability.
   std::string CreateFullXkbLayoutName(const std::string& layout_name,
                                       const ModifierMap& modifire_map);
 
   // Returns true if |key| is in |modifier_map| as replacement. This function is
   // protected: for testability.
   static bool ContainsModifierKeyAsReplacement(const ModifierMap& modifier_map,
                                                ModifierKey key);
 
+  // THIS FUNCTION IS ONLY FOR UNIT TESTS.
+  // Returns true if auto repeat is enabled. This function is protected: for
+  // testability.
+  static bool GetAutoRepeatEnabled();
+
+  // THIS FUNCTION IS ONLY FOR UNIT TESTS.
+  // On success, set current auto repeat rate on |out_rate| and returns true.
+  // Returns false otherwise. This function is protected: for testability.
+  static bool GetAutoRepeatRate(AutoRepeatRate* out_rate);
+
  private:
   // This function is used by SetLayout() and RemapModifierKeys(). Calls
   // setxkbmap command if needed, and updates the last_full_layout_name_ cache.
   bool SetLayoutInternal(const std::string& layout_name,
                          const ModifierMap& modifier_map,
                          bool force);
 
   // Executes 'setxkbmap -layout ...' command asynchronously using a layout name
   // in the |execute_queue_|. Do nothing if the queue is empty.
   // TODO(yusukes): Use libxkbfile.so instead of the command (crosbug.com/13105)
@@ skipping 32 matching lines @@
   std::set<std::string> keep_right_alt_xkb_layout_names_;
   std::set<std::string> caps_lock_remapped_xkb_layout_names_;
 
   DISALLOW_COPY_AND_ASSIGN(XKeyboard);
 };
 
 }  // namespace input_method
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_INPUT_METHOD_XKEYBOARD_H_