Fix UI-thread blocking issue in SetImeConfig

chrome/browser/chromeos/cros/mock_input_method_library.h

 // Copyright (c) 2010 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_CROS_MOCK_INPUT_METHOD_LIBRARY_H_
 #define CHROME_BROWSER_CHROMEOS_CROS_MOCK_INPUT_METHOD_LIBRARY_H_
 #pragma once
 
 #include <string>
 
 #include "chrome/browser/chromeos/cros/input_method_library.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 namespace chromeos {
 
 class MockInputMethodLibrary : public InputMethodLibrary {
  public:
   MockInputMethodLibrary() {}
   virtual ~MockInputMethodLibrary() {}
 
   MOCK_METHOD1(AddObserver, void(Observer*));
   MOCK_METHOD1(RemoveObserver, void(Observer*));
 
   MOCK_METHOD0(GetActiveInputMethods, InputMethodDescriptors*(void));
   MOCK_METHOD0(GetNumActiveInputMethods, size_t(void));
   MOCK_METHOD0(GetSupportedInputMethods, InputMethodDescriptors*(void));
   MOCK_METHOD1(ChangeInputMethod, void(const std::string&));
   MOCK_METHOD2(SetImePropertyActivated, void(const std::string&, bool));
   MOCK_METHOD1(InputMethodIsActivated, bool(const std::string&));
-  MOCK_METHOD3(GetImeConfig, bool(const char*, const char*, ImeConfigValue*));
-  MOCK_METHOD3(SetImeConfig, bool(const char*, const char*,
+  MOCK_METHOD3(GetImeConfig, bool(const std::string&, const std::string&,
+                                  ImeConfigValue*));
+  MOCK_METHOD3(SetImeConfig, bool(const std::string&, const std::string&,
                                   const ImeConfigValue&));
   MOCK_CONST_METHOD0(previous_input_method, const InputMethodDescriptor&(void));
   MOCK_CONST_METHOD0(current_input_method, const InputMethodDescriptor&(void));
   MOCK_CONST_METHOD0(current_ime_properties, const ImePropertyList&(void));
   MOCK_METHOD0(StartInputMethodProcesses, void(void));
   MOCK_METHOD0(StopInputMethodProcesses, void(void));
   MOCK_METHOD1(SetDeferImeStartup, void(bool));
   MOCK_METHOD1(SetEnableAutoImeShutdown, void(bool));
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_CROS_MOCK_INPUT_METHOD_LIBRARY_H_