Move Windows Sandbox, trybots version (don't commit me!)

sandbox/src/sandbox_utils.cc

-// Copyright (c) 2011 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 "sandbox/src/sandbox_utils.h"
-
-#include <windows.h>
-
-#include "base/logging.h"
-#include "base/win/windows_version.h"
-#include "sandbox/src/internal_types.h"
-#include "sandbox/src/nt_internals.h"
-
-namespace sandbox {
-
-bool GetModuleHandleHelper(DWORD flags, const wchar_t* module_name,
-                           HMODULE* module) {
-  DCHECK(module);
-
-  HMODULE kernel32_base = ::GetModuleHandle(kKerneldllName);
-  if (!kernel32_base) {
-    NOTREACHED();
-    return false;
-  }
-
-  GetModuleHandleExFunction get_module_handle_ex = reinterpret_cast<
-      GetModuleHandleExFunction>(::GetProcAddress(kernel32_base,
-                                                  "GetModuleHandleExW"));
-  if (get_module_handle_ex) {
-    BOOL ret = get_module_handle_ex(flags, module_name, module);
-    return (ret ? true : false);
-  }
-
-  if (!flags) {
-    *module = ::LoadLibrary(module_name);
-  } else if (flags & GET_MODULE_HANDLE_EX_FLAG_PIN) {
-    NOTREACHED();
-    return false;
-  } else if (!(flags & GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS)) {
-    DCHECK((flags & GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT) ==
-           GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT);
-
-    *module = ::GetModuleHandle(module_name);
-  } else {
-    DCHECK((flags & (GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT |
-                    GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS)) ==
-           (GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT |
-            GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS));
-
-    MEMORY_BASIC_INFORMATION info = {0};
-    size_t returned = VirtualQuery(module_name, &info, sizeof(info));
-    if (sizeof(info) != returned)
-      return false;
-    *module = reinterpret_cast<HMODULE>(info.AllocationBase);
-  }
-  return true;
-}
-
-bool IsXPSP2OrLater() {
-  base::win::Version version = base::win::GetVersion();
-  return (version > base::win::VERSION_XP) ||
-      ((version == base::win::VERSION_XP) &&
-       (base::win::OSInfo::GetInstance()->service_pack().major >= 2));
-}
-
-void InitObjectAttribs(const std::wstring& name, ULONG attributes, HANDLE root,
-                       OBJECT_ATTRIBUTES* obj_attr, UNICODE_STRING* uni_name) {
-  static RtlInitUnicodeStringFunction RtlInitUnicodeString;
-  if (!RtlInitUnicodeString) {
-    HMODULE ntdll = ::GetModuleHandle(kNtdllName);
-    RtlInitUnicodeString = reinterpret_cast<RtlInitUnicodeStringFunction>(
-      GetProcAddress(ntdll, "RtlInitUnicodeString"));
-    DCHECK(RtlInitUnicodeString);
-  }
-  RtlInitUnicodeString(uni_name, name.c_str());
-  InitializeObjectAttributes(obj_attr, uni_name, attributes, root, NULL);
-}
-
-};  // namespace sandbox