Fix clang -Wwritable-strings warnings in the Windows sandbox

sandbox/win/src/job.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_JOB_H_
 #define SANDBOX_SRC_JOB_H_
 
 #include "base/basictypes.h"
 #include "sandbox/win/src/restricted_token_utils.h"
 
@@ skipping 11 matching lines @@
   ~Job();
 
   // Initializes and creates the job object. The security of the job is based
   // on the security_level parameter.
   // job_name can be NULL if the job is unnamed.
   // If the chosen profile has too many ui restrictions, you can disable some
   // by specifying them in the ui_exceptions parameters.
   // If the function succeeds, the return value is ERROR_SUCCESS. If the
   // function fails, the return value is the win32 error code corresponding to
   // the error.
-  DWORD Init(JobLevel security_level, wchar_t *job_name, DWORD ui_exceptions);
+  DWORD Init(JobLevel security_level,
+             const wchar_t* job_name,
+             DWORD ui_exceptions);
 
   // Assigns the process referenced by process_handle to the job.
   // If the function succeeds, the return value is ERROR_SUCCESS. If the
   // function fails, the return value is the win32 error code corresponding to
   // the error.
   DWORD AssignProcessToJob(HANDLE process_handle);
 
   // Grants access to "handle" to the job. All processes in the job can
   // subsequently recognize and use the handle.
   // If the function succeeds, the return value is ERROR_SUCCESS. If the
@@ skipping 10 matching lines @@
   // Handle to the job referenced by the object.
   HANDLE job_handle_;
 
   DISALLOW_COPY_AND_ASSIGN(Job);
 };
 
 }  // namespace sandbox
 
 
 #endif  // SANDBOX_SRC_JOB_H_