Remove duplication between Mandoline and mojo_runner main functions.

Review URL: https://codereview.chromium.org/1440053002

Cr-Commit-Position: refs/heads/master@{#359431}

4 files changed, 3 insertions, 112 deletions

diff --git a/mandoline/app/desktop/BUILD.gn b/mandoline/app/desktop/BUILD.gn
index ac6d769..e43c193 100644
--- a/mandoline/app/desktop/BUILD.gn
+++ b/mandoline/app/desktop/BUILD.gn
@@ -11,8 +11,6 @@ group("desktop") {
 executable("mandoline") {
   sources = [
     "../register_local_aliases.cc",
-    "launcher_process.cc",
-    "launcher_process.h",
     "main.cc",
   ]
 
diff --git a/mandoline/app/desktop/launcher_process.cc b/mandoline/app/desktop/launcher_process.cc
deleted file mode 100644
index 60f5e32..0000000
--- a/mandoline/app/desktop/launcher_process.cc
+++ /dev/null
@@ -1,68 +0,0 @@
-// 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 <stdio.h>
-#include <string.h>
-
-#include <algorithm>
-#include <iostream>
-
-#include "base/base_switches.h"
-#include "base/bind.h"
-#include "base/command_line.h"
-#include "base/files/file_util.h"
-#include "base/message_loop/message_loop.h"
-#include "base/path_service.h"
-#include "base/synchronization/waitable_event.h"
-#include "base/trace_event/trace_event.h"
-#include "components/tracing/trace_config_file.h"
-#include "components/tracing/tracing_switches.h"
-#include "mandoline/app/desktop/launcher_process.h"
-#include "mojo/runner/context.h"
-#include "mojo/runner/switches.h"
-#include "mojo/shell/switches.h"
-
-namespace mandoline {
-
-int LauncherProcessMain(int argc, char** argv) {
-  mojo::runner::Tracer tracer;
-  base::CommandLine* command_line =
-      base::CommandLine::ForCurrentProcess();
-  if (!command_line->HasSwitch(switches::kMojoSingleProcess))
-    command_line->AppendSwitch(switches::kEnableMultiprocess);
-  command_line->AppendSwitch("use-new-edk");
-
-  bool trace_startup = command_line->HasSwitch(switches::kTraceStartup);
-  if (trace_startup) {
-    tracer.Start(
-        command_line->GetSwitchValueASCII(switches::kTraceStartup),
-        command_line->GetSwitchValueASCII(switches::kTraceStartupDuration),
-        "mandoline.trace");
-  }
-
-  // We want the runner::Context to outlive the MessageLoop so that pipes are
-  // all gracefully closed / error-out before we try to shut the Context down.
-  mojo::runner::Context shell_context;
-  {
-    base::MessageLoop message_loop;
-    base::FilePath shell_dir;
-    PathService::Get(base::DIR_MODULE, &shell_dir);
-    if (!shell_context.Init(shell_dir)) {
-      return 0;
-    }
-
-    message_loop.PostTask(FROM_HERE,
-                          base::Bind(&mojo::runner::Context::Run,
-                                     base::Unretained(&shell_context),
-                                     GURL("mojo:desktop_ui")));
-    message_loop.Run();
-
-    // Must be called before |message_loop| is destroyed.
-    shell_context.Shutdown();
-  }
-
-  return 0;
-}
-
-}  // namespace mandoline
diff --git a/mandoline/app/desktop/launcher_process.h b/mandoline/app/desktop/launcher_process.h
deleted file mode 100644
index 045b303..0000000
--- a/mandoline/app/desktop/launcher_process.h
+++ /dev/null
@@ -1,15 +0,0 @@
-// 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 MANDOLINE_APP_DESKTOP_LAUNCHER_PROCESS_H_
-#define MANDOLINE_APP_DESKTOP_LAUNCHER_PROCESS_H_
-
-namespace mandoline {
-
-// Main method for the launcher process.
-int LauncherProcessMain(int argc, char** argv);
-
-}  // namespace mandoline
-
-#endif  // MANDOLINE_APP_DESKTOP_LAUNCHER_PROCESS_H_
diff --git a/mandoline/app/desktop/main.cc b/mandoline/app/desktop/main.cc
index 989d8ec..ddfe4dd9 100644
--- a/mandoline/app/desktop/main.cc
+++ b/mandoline/app/desktop/main.cc
@@ -2,33 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "base/at_exit.h"
-#include "base/command_line.h"
-#include "base/debug/stack_trace.h"
-#include "base/process/launch.h"
-#include "mandoline/app/desktop/launcher_process.h"
-#include "mojo/runner/host/child_process.h"
-#include "mojo/runner/host/switches.h"
-#include "mojo/runner/init.h"
+#include "mojo/runner/desktop/main_helper.h"
 
 int main(int argc, char** argv) {
-  base::CommandLine::Init(argc, argv);
-  const base::CommandLine& command_line =
-      *base::CommandLine::ForCurrentProcess();
-
-  base::AtExitManager at_exit;
-  mojo::runner::InitializeLogging();
-  mojo::runner::WaitForDebuggerIfNecessary();
-
-#if !defined(OFFICIAL_BUILD)
-  base::debug::EnableInProcessStackDumping();
-#if defined(OS_WIN)
-  base::RouteStdioToConsole(false);
-#endif
-#endif
-
-  if (command_line.HasSwitch(switches::kChildProcess))
-    return mojo::runner::ChildProcessMain();
-
-  return mandoline::LauncherProcessMain(argc, argv);
+  return mojo::runner::RunnerMain(argc, argv, GURL("mojo:desktop_ui"),
+                                  base::Closure());
 }