Fix license headers in a number of files

sandbox/win/src/sid.h

-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// 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_SRC_SID_H_
 #define SANDBOX_SRC_SID_H_
 
 #include <windows.h>
 
 namespace sandbox {
 
 // This class is used to hold and generate SIDS.
 class Sid {
  public:
   // Constructors initializing the object with the SID passed.
   // This is a converting constructor. It is not explicit.
   Sid(const SID *sid);
   Sid(WELL_KNOWN_SID_TYPE type);
 
   // Returns sid_.
   const SID *GetPSID() const;
 
  private:
   BYTE sid_[SECURITY_MAX_SID_SIZE];
 };
 
 }  // namespace sandbox
 
 #endif  // SANDBOX_SRC_SID_H_