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

content/browser/utility_process_host_impl.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/browser/utility_process_host_impl.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
@@ skipping 47 matching lines @@
     *exposed_dir = exposed_dir_;
   }
 #elif defined(OS_POSIX)
 
   virtual bool ShouldUseZygote() override {
     return !no_sandbox_ && exposed_dir_.empty();
   }
   virtual base::EnvironmentMap GetEnvironment() override {
     return env_;
   }
-  virtual int GetIpcFd() override {
-    return ipc_fd_;
+  virtual base::ScopedFD TakeIpcFd() override {
+    return ipc_fd_.Pass();
   }
 #endif  // OS_WIN
 
  private:
 
  base::FilePath exposed_dir_;
 
 #if defined(OS_WIN)
   bool launch_elevated_;
 #elif defined(OS_POSIX)
   base::EnvironmentMap env_;
   bool no_sandbox_;
-  int ipc_fd_;
+  base::ScopedFD ipc_fd_;
 #endif  // OS_WIN
 };
 
 UtilityMainThreadFactoryFunction g_utility_main_thread_factory = NULL;
 
 UtilityProcessHost* UtilityProcessHost::Create(
     const scoped_refptr<UtilityProcessHostClient>& client,
     const scoped_refptr<base::SequencedTaskRunner>& client_task_runner) {
   return new UtilityProcessHostImpl(client, client_task_runner);
 }
@@ skipping 202 matching lines @@
   if (!client_.get())
     return;
 
   client_task_runner_->PostTask(
       FROM_HERE,
       base::Bind(&UtilityProcessHostClient::OnProcessCrashed, client_.get(),
             exit_code));
 }
 
 }  // namespace content