Refactoring: Make IPC::Channel::TakeClientFileDescriptor() a ScopedFD.

content/public/common/sandboxed_process_launcher_delegate.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_SANDBOXED_PROCESS_LAUNCHER_DELEGATE_H_
 #define CONTENT_PUBLIC_COMMON_SANDBOXED_PROCESS_LAUNCHER_DELEGATE_H_
 
 #include "base/environment.h"
+#include "base/files/scoped_file.h"
 #include "base/process/process.h"
-
 #include "content/common/content_export.h"
 
 #if defined(OS_MACOSX)
 #include "content/public/common/sandbox_type_mac.h"
 #endif
 
 namespace base {
 class FilePath;
 }
 
@@ skipping 36 matching lines @@
   virtual void PostSpawnTarget(base::ProcessHandle process) {}
 
 #elif defined(OS_POSIX)
   // Override this to return true to use the setuid sandbox.
   virtual bool ShouldUseZygote();
 
   // Override this if the process needs a non-empty environment map.
   virtual base::EnvironmentMap GetEnvironment();
 
   // Return the file descriptor for the IPC channel.
-  virtual int GetIpcFd() = 0;
+  virtual base::ScopedFD TakeIpcFd() = 0;
 
 #if defined(OS_MACOSX)
   // Gets the Mac SandboxType to enforce on the process. Return
   // SANDBOX_TYPE_INVALID for no sandbox policy.
   virtual SandboxType GetSandboxType();
 #endif
 
 #endif
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_COMMON_SANDBOXED_PROCESS_LAUNCHER_DELEGATE_H_