root/content/public/browser/render_process_host_observer.h

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INCLUDED FROM

// Copyright 2013 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_BROWSER_RENDER_PROCESS_HOST_OBSERVER_H_
#define CONTENT_PUBLIC_BROWSER_RENDER_PROCESS_HOST_OBSERVER_H_

#include "base/process/kill.h"
#include "base/process/process_handle.h"
#include "content/common/content_export.h"

namespace content {

class RenderProcessHost;

// An observer API implemented by classes which are interested
// in RenderProcessHost lifecycle events.
class CONTENT_EXPORT RenderProcessHostObserver {
 public:
  // This method is invoked when a render process exited (either normally or
  // with a crash). To determine if the process closed normally or crashed,
  // examine the |status| parameter.
  //
  // Note that this is equivalent to WebContentsObserver::RenderProcessGone().
  virtual void RenderProcessExited(RenderProcessHost* host,
                                   base::ProcessHandle handle,
                                   base::TerminationStatus status,
                                   int exit_code) {}

  // This method is invoked when the observed RenderProcessHost itself is
  // destroyed. This is guaranteed to be the last call made to the observer.
  virtual void RenderProcessHostDestroyed(RenderProcessHost* host) {}

 protected:
  virtual ~RenderProcessHostObserver() {}
};

}  // namespace content

#endif  // CONTENT_PUBLIC_BROWSER_RENDER_PROCESS_HOST_OBSERVER_H_
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