Convert src/remoting to std::string/char* away from wstring/wchar_t*.

remoting/host/json_host_config.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 REMOTING_HOST_JSON_HOST_CONFIG_H_
 #define REMOTING_HOST_JSON_HOST_CONFIG_H_
 
 #include <string>
 
 #include "base/file_path.h"
@@ skipping 13 matching lines @@
 
 // JsonHostConfig implements MutableHostConfig for JSON file.
 class JsonHostConfig : public MutableHostConfig {
  public:
   JsonHostConfig(const FilePath& pref_filename,
                  base::MessageLoopProxy* file_message_loop_proxy);
 
   virtual bool Read();
 
   // MutableHostConfig interface.
-  virtual bool GetString(const std::wstring& path,
-                         std::wstring* out_value);
-  virtual bool GetString(const std::wstring& path,
-                         std::string* out_value);
+  virtual bool GetString(const std::string& path, std::string* out_value);
 
   virtual void Update(Task* task);
 
-  virtual void SetString(const std::wstring& path,
-                         const std::wstring& in_value);
-  virtual void SetString(const std::wstring& path,
-                         const std::string& in_value);
+  virtual void SetString(const std::string& path, const std::string& in_value);
 
  private:
   void DoWrite();
 
   // |lock_| must be locked whenever we access values_;
   Lock lock_;
   FilePath filename_;
   scoped_ptr<DictionaryValue> values_;
   scoped_refptr<base::MessageLoopProxy> message_loop_proxy_;
 
   DISALLOW_COPY_AND_ASSIGN(JsonHostConfig);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_JSON_HOST_CONFIG_H_