Change primordial pipes to ShellClient

mojo/shell/runner/child/runner_connection.cc

-// 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.
-
-#include "mojo/shell/runner/child/runner_connection.h"
-
-#include <stdint.h>
-
-#include <utility>
-
-#include "base/bind.h"
-#include "base/callback.h"
-#include "base/command_line.h"
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "mojo/edk/embedder/embedder.h"
-#include "mojo/edk/embedder/platform_channel_pair.h"
-#include "mojo/edk/embedder/scoped_platform_handle.h"
-#include "mojo/public/cpp/bindings/binding.h"
-#include "mojo/shell/public/interfaces/shell_client_factory.mojom.h"
-#include "mojo/shell/runner/common/switches.h"
-
-namespace mojo {
-namespace shell {
-namespace {
-
-class RunnerConnectionImpl : public RunnerConnection,
-                             public mojom::ShellClientFactory {
- public:
-  RunnerConnectionImpl(mojo::ShellConnection* shell_connetion,
-                       mojom::ShellClientFactoryRequest client_factory_request,
-                       bool exit_on_error)
-      : shell_connection_(shell_connetion),
-        binding_(this, std::move(client_factory_request)),
-        exit_on_error_(exit_on_error) {
-    binding_.set_connection_error_handler([this] { OnConnectionError(); });
-  }
-
-  ~RunnerConnectionImpl() override {}
-
- private:
-  // mojom::ShellClientFactory:
-  void CreateShellClient(mojom::ShellClientRequest client_request,
-                         const String& name) override {
-    shell_connection_->BindToRequest(std::move(client_request));
-  }
-
-  void OnConnectionError() {
-    // A connection error means the connection to the shell is lost. This is not
-    // recoverable.
-    DLOG(ERROR) << "Connection error to the shell.";
-    if (exit_on_error_)
-      _exit(1);
-  }
-
-  mojo::ShellConnection* const shell_connection_;
-  Binding<mojom::ShellClientFactory> binding_;
-  const bool exit_on_error_;
-
-  DISALLOW_COPY_AND_ASSIGN(RunnerConnectionImpl);
-};
-
-}  // namespace
-
-RunnerConnection::~RunnerConnection() {}
-
-// static
-scoped_ptr<RunnerConnection> RunnerConnection::Create(
-    mojo::ShellConnection* shell_connection,
-    bool exit_on_error) {
-  std::string primordial_pipe_token =
-      base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
-          switches::kPrimordialPipeToken);
-  mojom::ShellClientFactoryRequest client_factory_request;
-  client_factory_request.Bind(
-      edk::CreateChildMessagePipe(primordial_pipe_token));
-
-  return make_scoped_ptr(new RunnerConnectionImpl(
-      shell_connection, std::move(client_factory_request), exit_on_error));
-}
-
-RunnerConnection::RunnerConnection() {}
-
-}  // namespace shell
-}  // namespace mojo