Make SharedMemoryHandle a class on windows.

content/common/sandbox_init_win.cc

 // 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.
 
 #include "content/public/common/sandbox_init.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "content/common/sandbox_win.h"
 #include "content/public/common/content_switches.h"
@@ skipping 28 matching lines @@
     return true;
 
   sandbox::TargetServices* target_services = sandbox_info->target_services;
   return InitTargetServices(target_services);
 }
 
 bool BrokerDuplicateSharedMemoryHandle(
     const base::SharedMemoryHandle& source_handle,
     base::ProcessId target_process_id,
     base::SharedMemoryHandle* target_handle) {
-  return BrokerDuplicateHandle(source_handle, target_process_id, target_handle,
-                               0, DUPLICATE_SAME_ACCESS);
+  HANDLE duped_handle;
+  if (!BrokerDuplicateHandle(source_handle.GetHandle(), target_process_id,
+                             &duped_handle,
+                             FILE_GENERIC_READ | FILE_GENERIC_WRITE, 0)) {
+    return false;
+  }
+
+  *target_handle = base::SharedMemoryHandle(duped_handle, target_process_id);
+  return true;
 }
 
 }  // namespace content