Broker out PPAPI handle duplication

content/public/common/sandbox_init.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 CONTENT_PUBLIC_COMMON_SANDBOX_INIT_H_
 #define CONTENT_PUBLIC_COMMON_SANDBOX_INIT_H_
 #pragma once
 
 #include "base/process.h"
 #include "build/build_config.h"
 #include "content/common/content_export.h"
+#include "ipc/ipc_platform_file.h"
 
 #if defined(OS_WIN)
 namespace sandbox {
 struct SandboxInterfaceInfo;
 }
 #elif defined(OS_MACOSX)
 class FilePath;
 #endif
 
 namespace content {
@@ skipping 47 matching lines @@
 // taken and true is always returned.
 CONTENT_EXPORT bool InitializeSandbox(int sandbox_type,
                                       const FilePath& allowed_path);
 
 #elif defined(OS_LINUX)
 
 CONTENT_EXPORT void InitializeSandbox();
 
 #endif
 
+// Platform neutral wrapper for making an exact copy of a handle for use in
+// the target process. On Windows this wraps BrokerDuplicateHandle() with the
+// DUPLICATE_SAME_ACCESS flag. On posix it behaves essentially the same as
+// IPC::GetFileHandleForProcess()
+CONTENT_EXPORT IPC::PlatformFileForTransit BrokerGetFileHandleForProcess(
+    base::PlatformFile handle,
+    base::ProcessId target_process_id,
+    bool should_close_source);
+
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_COMMON_SANDBOX_INIT_H_