Revert of Build services as standalone executables

services/service_manager/public/cpp/standalone_service/standalone_service.cc

Index: services/service_manager/public/cpp/standalone_service/standalone_service.cc
diff --git a/services/service_manager/public/cpp/standalone_service/standalone_service.cc b/services/service_manager/public/cpp/standalone_service/standalone_service.cc
deleted file mode 100644
index 5e42b7793358bf45e7ec74fabd6b463f3eb02072..0000000000000000000000000000000000000000
--- a/services/service_manager/public/cpp/standalone_service/standalone_service.cc
+++ /dev/null
@@ -1,119 +0,0 @@
-// Copyright 2016 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 "services/service_manager/public/cpp/standalone_service/standalone_service.h"
-
-#include "base/command_line.h"
-#include "base/debug/stack_trace.h"
-#include "base/logging.h"
-#include "base/message_loop/message_loop.h"
-#include "base/synchronization/waitable_event.h"
-#include "base/threading/thread.h"
-#include "mojo/edk/embedder/embedder.h"
-#include "mojo/edk/embedder/process_delegate.h"
-#include "mojo/public/cpp/system/message_pipe.h"
-#include "services/service_manager/public/cpp/service_context.h"
-#include "services/service_manager/runner/common/client_util.h"
-#include "services/service_manager/runner/common/switches.h"
-
-#if defined(OS_LINUX)
-#include "base/rand_util.h"
-#include "base/sys_info.h"
-#include "services/service_manager/public/cpp/standalone_service/linux_sandbox.h"
-#endif
-
-#if defined(OS_MACOSX)
-#include "services/service_manager/public/cpp/standalone_service/mach_broker.h"
-#endif
-
-namespace service_manager {
-namespace {
-
-#if defined(OS_LINUX)
-std::unique_ptr<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::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/"));
-  std::unique_ptr<LinuxSandbox> sandbox(new LinuxSandbox(permissions));
-  sandbox->Warmup();
-  sandbox->EngageNamespaceSandbox();
-  sandbox->EngageSeccompSandbox();
-  sandbox->Seal();
-  return sandbox;
-}
-#endif
-
-// Should be created and initialized on the main thread and kept alive as long
-// a Service is running in the current process.
-class ScopedAppContext : public mojo::edk::ProcessDelegate {
- public:
-  ScopedAppContext()
-      : io_thread_("io_thread"),
-        wait_for_shutdown_event_(
-            base::WaitableEvent::ResetPolicy::MANUAL,
-            base::WaitableEvent::InitialState::NOT_SIGNALED) {
-    mojo::edk::Init();
-    DCHECK(io_thread_.StartWithOptions(
-              base::Thread::Options(base::MessageLoop::TYPE_IO, 0)));
-    mojo::edk::InitIPCSupport(this, io_thread_.task_runner());
-    mojo::edk::SetParentPipeHandleFromCommandLine();
-  }
-
-  ~ScopedAppContext() override {
-    mojo::edk::ShutdownIPCSupport();
-    wait_for_shutdown_event_.Wait();
-  }
-
- private:
-  // ProcessDelegate implementation.
-  void OnShutdownComplete() override {
-    wait_for_shutdown_event_.Signal();
-  }
-
-  base::Thread io_thread_;
-
-  // Used to unblock the main thread on shutdown.
-  base::WaitableEvent wait_for_shutdown_event_;
-
-  DISALLOW_COPY_AND_ASSIGN(ScopedAppContext);
-};
-
-}  // namespace
-
-void RunStandaloneService(const StandaloneServiceCallback& callback) {
-  DCHECK(!base::MessageLoop::current());
-
-#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)
-  std::unique_ptr<LinuxSandbox> sandbox;
-  const base::CommandLine& command_line =
-      *base::CommandLine::ForCurrentProcess();
-  if (command_line.HasSwitch(switches::kEnableSandbox))
-    sandbox = InitializeSandbox();
-#endif
-
-  ScopedAppContext app_context;
-  callback.Run(GetServiceRequestFromCommandLine());
-}
-
-}  // namespace service_manager