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diff --git a/content/browser/utility_process_host_impl.h b/content/browser/utility_process_host_impl.h
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+++ b/content/browser/utility_process_host_impl.h
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+// 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_BROWSER_UTILITY_PROCESS_HOST_H_
+#define CONTENT_BROWSER_UTILITY_PROCESS_HOST_H_
+#pragma once
+
+#include <string>
+#include <vector>
+
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/weak_ptr.h"
+#include "content/public/browser/browser_child_process_host_delegate.h"
+#include "content/public/browser/utility_process_host.h"
+
+class BrowserChildProcessHostImpl;
+
+class CONTENT_EXPORT UtilityProcessHostImpl
+    : public NON_EXPORTED_BASE(content::UtilityProcessHost),
+      public content::BrowserChildProcessHostDelegate {
+ public:
+  UtilityProcessHostImpl(content::UtilityProcessHostClient* client,
+                         content::BrowserThread::ID client_thread_id);
+  virtual ~UtilityProcessHostImpl();
+
+  // UtilityProcessHost implementation:
+  virtual bool Send(IPC::Message* message) OVERRIDE;
+  virtual bool StartBatchMode() OVERRIDE;
+  virtual void EndBatchMode() OVERRIDE;
+  virtual void SetExposedDir(const FilePath& dir) OVERRIDE;
+  virtual void DisableSandbox() OVERRIDE;
+  virtual void EnableZygote() OVERRIDE;
+#if defined(OS_POSIX)
+  virtual void SetEnv(const base::environment_vector& env) OVERRIDE;
+#endif
+
+  void set_child_flags(int flags) { child_flags_ = flags; }
+
+ private:
+  // Starts a process if necessary.  Returns true if it succeeded or a process
+  // has already been started via StartBatchMode().
+  bool StartProcess();
+
+  // BrowserChildProcessHost:
+  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
+  virtual void OnProcessCrashed(int exit_code) OVERRIDE;
+
+  // A pointer to our client interface, who will be informed of progress.
+  scoped_refptr<content::UtilityProcessHostClient> client_;
+  content::BrowserThread::ID client_thread_id_;
+  // True when running in batch mode, i.e., StartBatchMode() has been called
+  // and the utility process will run until EndBatchMode().
+  bool is_batch_mode_;
+
+  FilePath exposed_dir_;
+
+  // Whether to pass switches::kNoSandbox to the child.
+  bool no_sandbox_;
+
+  // Flags defined in ChildProcessHost with which to start the process.
+  int child_flags_;
+
+  // Launch the utility process from the zygote. Defaults to false.
+  bool use_linux_zygote_;
+
+  base::environment_vector env_;
+
+  bool started_;
+
+  scoped_ptr<BrowserChildProcessHostImpl> process_;
+
+  DISALLOW_COPY_AND_ASSIGN(UtilityProcessHostImpl);
+};
+
+#endif  // CONTENT_BROWSER_UTILITY_PROCESS_HOST_H_