Move the Windows sandbox to sandbox/win

sandbox/src/sandbox.cc

-// Copyright (c) 2006-2008 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 <windows.h>
-#include "sandbox/src/sandbox.h"
-#include "sandbox/src/sandbox_factory.h"
-#include "sandbox/src/broker_services.h"
-#include "sandbox/src/target_services.h"
-
-#if defined(_WIN64) && !defined(NACL_WIN64)
-// We allow building this code for Win64 as part of NaCl to enable development
-#error Sandbox code was not tested on 64-bit Windows. See \
- http://crbug.com/27218 for details and progress log.
-#endif
-
-
-namespace sandbox {
-// The section for IPC and policy.
-SANDBOX_INTERCEPT HANDLE  g_shared_section = NULL;
-
-static bool               s_is_broker =  false;
-
-// GetBrokerServices: the current implementation relies on a shared section
-// that is created by the broker and opened by the target.
-BrokerServices* SandboxFactory::GetBrokerServices() {
-  // Can't be the broker if the shared section is open.
-  if (NULL != g_shared_section) {
-    return NULL;
-  }
-  // If the shared section does not exist we are the broker, then create
-  // the broker object.
-  s_is_broker = true;
-  return BrokerServicesBase::GetInstance();
-}
-
-// GetTargetServices implementation must follow the same technique as the
-// GetBrokerServices, but in this case the logic is the opposite.
-TargetServices* SandboxFactory::GetTargetServices() {
-  // Can't be the target if the section handle is not valid.
-  if (NULL == g_shared_section) {
-    return NULL;
-  }
-  // We are the target
-  s_is_broker = false;
-  // Creates and returns the target services implementation.
-  return TargetServicesBase::GetInstance();
-}
-
-}  // namespace sandbox