Replace wstring with string16 in sandbox

sandbox/win/src/process_thread_dispatcher.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 SANDBOX_SRC_PROCESS_THREAD_DISPATCHER_H_
 #define SANDBOX_SRC_PROCESS_THREAD_DISPATCHER_H_
 
 #include "base/basictypes.h"
+#include "base/strings/string16.h"
 #include "sandbox/win/src/crosscall_server.h"
 #include "sandbox/win/src/sandbox_policy_base.h"
 
 namespace sandbox {
 
 // This class handles process and thread-related IPC calls.
 class ThreadProcessDispatcher : public Dispatcher {
  public:
   explicit ThreadProcessDispatcher(PolicyBase* policy_base);
   ~ThreadProcessDispatcher() {}
 
   // Dispatcher interface.
   virtual bool SetupService(InterceptionManager* manager, int service);
 
  private:
   // Processes IPC requests coming from calls to NtOpenThread() in the target.
   bool NtOpenThread(IPCInfo* ipc, DWORD desired_access, DWORD thread_id);
 
   // Processes IPC requests coming from calls to NtOpenProcess() in the target.
   bool NtOpenProcess(IPCInfo* ipc, DWORD desired_access, DWORD process_id);
 
   // Processes IPC requests from calls to NtOpenProcessToken() in the target.
   bool NtOpenProcessToken(IPCInfo* ipc, HANDLE process, DWORD desired_access);
 
   // Processes IPC requests from calls to NtOpenProcessTokenEx() in the target.
   bool NtOpenProcessTokenEx(IPCInfo* ipc, HANDLE process, DWORD desired_access,
                             DWORD attributes);
 
   // Processes IPC requests coming from calls to CreateProcessW() in the target.
-  bool CreateProcessW(IPCInfo* ipc, std::wstring* name, std::wstring* cmd_line,
-                      std::wstring* cur_dir, CountedBuffer* info);
+  bool CreateProcessW(IPCInfo* ipc,
+                      base::string16* name,
+                      base::string16* cmd_line,
+                      base::string16* cur_dir,
+                      CountedBuffer* info);
 
   PolicyBase* policy_base_;
   DISALLOW_COPY_AND_ASSIGN(ThreadProcessDispatcher);
 };
 
 }  // namespace sandbox
 
 #endif  // SANDBOX_SRC_PROCESS_THREAD_DISPATCHER_H_