Allow client process information to be passed via Connector::Connect().

content/browser/mojo/mojo_shell_client_host.h

-// Copyright 2015 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_MOJO_MOJO_SHELL_CLIENT_HOST_H_
-#define CONTENT_BROWSER_MOJO_MOJO_SHELL_CLIENT_HOST_H_
-
-#include <string>
-
-#include "base/process/process_handle.h"
-#include "mojo/shell/public/cpp/identity.h"
-#include "mojo/shell/public/interfaces/shell.mojom.h"
-
-namespace content {
-
-class RenderProcessHost;
-
-// Creates a communication channel between the external Mojo shell and the
-// child. The server handle of this channel is shared with the external shell
-// via Mojo IPC. |child_process_id| and |instance_id| are used to uniquify the
-// child in the external shell's instance map.
-//
-// This returns a token that may be passed to the child process and exchanged
-// for a pipe there. That pipe can in turn be passed to
-// MojoShellConnectionImpl::BindToMessagePipe() to initialize the child's
-// shell connection.
-std::string RegisterChildWithExternalShell(
-    int child_process_id,
-    int instance_id,
-    RenderProcessHost* render_process_host);
-
-// Returns the Identity associated with an instance corresponding to the
-// renderer process in shell. This Identity can be passed to Connect() to open a
-// new connection to this renderer.
-mojo::Identity GetMojoIdentity(RenderProcessHost* render_process_host);
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_MOJO_MOJO_SHELL_CLIENT_HOST_H_