Move mojo\shell to services\shell

mojo/shell/runner/host/child_process.cc

-// Copyright 2014 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/host/child_process.h"
-
-#include <stdint.h>
-
-#include <utility>
-
-#include "base/base_switches.h"
-#include "base/bind.h"
-#include "base/callback_helpers.h"
-#include "base/command_line.h"
-#include "base/debug/stack_trace.h"
-#include "base/files/file_path.h"
-#include "base/i18n/icu_util.h"
-#include "base/location.h"
-#include "base/logging.h"
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/message_loop/message_loop.h"
-#include "base/single_thread_task_runner.h"
-#include "base/synchronization/waitable_event.h"
-#include "base/thread_task_runner_handle.h"
-#include "base/threading/thread.h"
-#include "base/threading/thread_checker.h"
-#include "mojo/edk/embedder/embedder.h"
-#include "mojo/edk/embedder/platform_channel_pair.h"
-#include "mojo/edk/embedder/process_delegate.h"
-#include "mojo/edk/embedder/scoped_platform_handle.h"
-#include "mojo/message_pump/message_pump_mojo.h"
-#include "mojo/public/cpp/bindings/binding.h"
-#include "mojo/public/cpp/system/core.h"
-#include "mojo/shell/runner/common/switches.h"
-#include "mojo/shell/runner/host/child_process_base.h"
-#include "mojo/shell/runner/host/native_application_support.h"
-#include "mojo/shell/runner/init.h"
-
-#if defined(OS_LINUX) && !defined(OS_ANDROID)
-#include "base/rand_util.h"
-#include "base/sys_info.h"
-#include "mojo/shell/runner/host/linux_sandbox.h"
-#endif
-
-#if defined(OS_MACOSX)
-#include "mojo/shell/runner/host/mach_broker.h"
-#endif
-
-namespace mojo {
-namespace shell {
-
-namespace {
-
-#if defined(OS_LINUX) && !defined(OS_ANDROID)
-scoped_ptr<mojo::shell::LinuxSandbox> InitializeSandbox() {
-  using sandbox::syscall_broker::BrokerFilePermission;
-  // Warm parts of base in the copy of base in the mojo runner.
-  base::RandUint64();
-  base::SysInfo::AmountOfPhysicalMemory();
-  base::SysInfo::MaxSharedMemorySize();
-  base::SysInfo::NumberOfProcessors();
-
-  // TODO(erg,jln): Allowing access to all of /dev/shm/ makes it easy to
-  // spy on other shared memory using processes. This is a temporary hack
-  // so that we have some sandbox until we have proper shared memory
-  // support integrated into mojo.
-  std::vector<BrokerFilePermission> permissions;
-  permissions.push_back(
-      BrokerFilePermission::ReadWriteCreateUnlinkRecursive("/dev/shm/"));
-  scoped_ptr<mojo::shell::LinuxSandbox> sandbox(
-      new mojo::shell::LinuxSandbox(permissions));
-  sandbox->Warmup();
-  sandbox->EngageNamespaceSandbox();
-  sandbox->EngageSeccompSandbox();
-  sandbox->Seal();
-  return sandbox;
-}
-#endif
-
-void RunNativeLibrary(
-    base::NativeLibrary app_library,
-    InterfaceRequest<mojom::ShellClient> shell_client_request) {
-  if (!RunNativeApplication(app_library, std::move(shell_client_request))) {
-    LOG(ERROR) << "Failure to RunNativeApplication()";
-  }
-}
-
-}  // namespace
-
-int ChildProcessMain() {
-  DVLOG(2) << "ChildProcessMain()";
-  const base::CommandLine& command_line =
-      *base::CommandLine::ForCurrentProcess();
-
-#if defined(OS_LINUX) && !defined(OS_ANDROID)
-  scoped_ptr<mojo::shell::LinuxSandbox> sandbox;
-#endif
-  base::NativeLibrary app_library = 0;
-  // Load the application library before we engage the sandbox.
-  base::FilePath app_library_path =
-      command_line.GetSwitchValuePath(switches::kChildProcess);
-  if (!app_library_path.empty())
-    app_library = mojo::shell::LoadNativeApplication(app_library_path);
-  base::i18n::InitializeICU();
-  if (app_library)
-    CallLibraryEarlyInitialization(app_library);
-
-#if defined(OS_MACOSX)
-  // Send our task port to the parent.
-  MachBroker::SendTaskPortToParent();
-#endif
-
-#if !defined(OFFICIAL_BUILD)
-  // Initialize stack dumping just before initializing sandbox to make
-  // sure symbol names in all loaded libraries will be cached.
-  base::debug::EnableInProcessStackDumping();
-#endif
-#if defined(OS_LINUX) && !defined(OS_ANDROID)
-  if (command_line.HasSwitch(switches::kEnableSandbox))
-    sandbox = InitializeSandbox();
-#endif
-
-  ChildProcessMain(base::Bind(&RunNativeLibrary, app_library));
-
-  return 0;
-}
-
-}  // namespace shell
-}  // namespace mojo