Replace wstring with string16 in sandbox

sandbox/win/src/sandbox_policy.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 SANDBOX_WIN_SRC_SANDBOX_POLICY_H_
 #define SANDBOX_WIN_SRC_SANDBOX_POLICY_H_
 
 #include <string>
 
 #include "base/basictypes.h"
+#include "base/strings/string16.h"
 #include "sandbox/win/src/sandbox_types.h"
 #include "sandbox/win/src/security_level.h"
 
 namespace sandbox {
 
 class TargetPolicy {
  public:
   // Windows subsystems that can have specific rules.
   // Note: The process subsystem(SUBSY_PROCESS) does not evaluate the request
   // exactly like the CreateProcess API does. See the comment at the top of
@@ skipping 101 matching lines @@
   virtual ResultCode SetJobLevel(JobLevel job_level, uint32 ui_exceptions) = 0;
 
   // Specifies the desktop on which the application is going to run. If the
   // desktop does not exist, it will be created. If alternate_winstation is
   // set to true, the desktop will be created on an alternate window station.
   virtual ResultCode SetAlternateDesktop(bool alternate_winstation) = 0;
 
   // Returns the name of the alternate desktop used. If an alternate window
   // station is specified, the name is prepended by the window station name,
   // followed by a backslash.
-  virtual std::wstring GetAlternateDesktop() const = 0;
+  virtual base::string16 GetAlternateDesktop() const = 0;
 
   // Precreates the desktop and window station, if any.
   virtual ResultCode CreateAlternateDesktop(bool alternate_winstation) = 0;
 
   // Destroys the desktop and windows station.
   virtual void DestroyAlternateDesktop() = 0;
 
   // Sets the integrity level of the process in the sandbox. Both the initial
   // token and the main token will be affected by this. If the integrity level
   // is set to a level higher than the current level, the sandbox will fail
@@ skipping 75 matching lines @@
   // A NULL value for handle_name indicates all handles of the specified type.
   // An empty string for handle_name indicates the handle is unnamed.
   virtual ResultCode AddKernelObjectToClose(const wchar_t* handle_type,
                                             const wchar_t* handle_name) = 0;
 };
 
 }  // namespace sandbox
 
 
 #endif  // SANDBOX_WIN_SRC_SANDBOX_POLICY_H_