Add a Content API around BrowserChildProcessHost, similar to what was done with ChildProcessHost....

content/public/browser/browser_child_process_host.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_BROWSER_BROWSER_CHILD_PROCESS_HOST_H_
+#define CONTENT_PUBLIC_BROWSER_BROWSER_CHILD_PROCESS_HOST_H_
+#pragma once
+
+#include "base/process_util.h"
+#include "base/string16.h"
+#include "build/build_config.h"
+#include "content/common/content_export.h"
+#include "content/public/common/process_type.h"
+#include "ipc/ipc_message.h"
+
+class CommandLine;
+class FilePath;
+
+namespace content {
+
+class BrowserChildProcessHostDelegate;
+class ChildProcessHost;
+struct ChildProcessData;
+
+// This represents child processes of the browser process, i.e. plugins. They
+// will get terminated at browser shutdown.
+class CONTENT_EXPORT BrowserChildProcessHost : public IPC::Message::Sender {
+ public:
+  // Used to create a child process host. The delegate must outlive this object.
+  static BrowserChildProcessHost* Create(
+      ProcessType type,
+      BrowserChildProcessHostDelegate* delegate);
+
+  virtual ~BrowserChildProcessHost() {}
+
+  // Derived classes call this to launch the child process asynchronously.
+  virtual void Launch(
+#if defined(OS_WIN)
+      const FilePath& exposed_dir,
+#elif defined(OS_POSIX)
+      bool use_zygote,
+      const base::environment_vector& environ,
+#endif
+      CommandLine* cmd_line) = 0;
+
+  virtual const ChildProcessData& GetData() const = 0;
+
+  // Returns the ChildProcessHost object used by this object.
+  virtual ChildProcessHost* GetHost() const = 0;
+
+  // Returns the termination status of a child.  |exit_code| is the
+  // status returned when the process exited (for posix, as returned
+  // from waitpid(), for Windows, as returned from
+  // GetExitCodeProcess()).  |exit_code| may be NULL.
+  virtual base::TerminationStatus GetTerminationStatus(int* exit_code) = 0;
+
+  // Sets the user-visible name of the process.
+  virtual void SetName(const string16& name) = 0;
+
+  // Set the handle of the process. BrowserChildProcessHost will do this when
+  // the Launch method is used to start the process. However if the owner
+  // of this object doesn't call Launch and starts the process in another way,
+  // they need to call this method so that the process handle is associated with
+  // this object.
+  virtual void SetHandle(base::ProcessHandle handle) = 0;
+};
+
+};  // namespace content
+
+#endif  // CONTENT_PUBLIC_BROWSER_BROWSER_CHILD_PROCESS_HOST_H_