Move the Windows sandbox to sandbox/win

sandbox/sandbox_poc/pocdll/utils.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_SANDBOX_POC_POCDLL_UTILS_H__
-#define SANDBOX_SANDBOX_POC_POCDLL_UTILS_H__
-
-#include <stdio.h>
-#include <io.h>
-#include "base/basictypes.h"
-
-// Class to convert a HANDLE to a FILE *. The FILE * is closed when the
-// object goes out of scope
-class HandleToFile {
- public:
-  HandleToFile() {
-    file_ = NULL;
-  };
-
-  // Note: c_file_handle_ does not need to be closed because fclose does it.
-  ~HandleToFile() {
-    if (file_) {
-      fflush(file_);
-      fclose(file_);
-    }
-  };
-
-  // Translates a HANDLE (handle) to a FILE * opened with the mode "mode".
-  // The return value is the FILE * or NULL if there is an error.
-  FILE* Translate(HANDLE handle, const char *mode) {
-    if (file_) {
-      return  NULL;
-    }
-
-    HANDLE new_handle;
-    BOOL result = ::DuplicateHandle(::GetCurrentProcess(),
-                                    handle,
-                                    ::GetCurrentProcess(),
-                                    &new_handle,
-                                    0,  // Don't ask for a specific
-                                        // desired access.
-                                    FALSE,  // Not inheritable.
-                                    DUPLICATE_SAME_ACCESS);
-
-    if (!result) {
-      return NULL;
-    }
-
-    int c_file_handle = _open_osfhandle(reinterpret_cast<LONG_PTR>(new_handle),
-                                        0);  // No flags
-    if (-1 == c_file_handle) {
-      return NULL;
-    }
-
-    file_ = _fdopen(c_file_handle, mode);
-    return file_;
-  };
- private:
-  // the FILE* returned. We need to closed it at the end.
-  FILE* file_;
-
-  DISALLOW_COPY_AND_ASSIGN(HandleToFile);
-};
-
-#endif  // SANDBOX_SANDBOX_POC_POCDLL_UTILS_H__