Revert of Windows install_static refactor.

chrome/install_static/install_details.cc

-// 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 "chrome/install_static/install_details.h"
-
-#include <assert.h>
-#include <string.h>
-
-#include <type_traits>
-
-#include "chrome/install_static/install_modes.h"
-#include "chrome/install_static/install_util.h"
-#include "chrome_elf/nt_registry/nt_registry.h"
-#include "components/version_info/version_info_values.h"
-
-namespace install_static {
-
-namespace {
-
-// The version is set at compile-time to a W.X.Y.Z value.
-constexpr char kProductVersion[] = PRODUCT_VERSION;
-
-// This module's instance (intentionally leaked at shutdown).
-InstallDetails* g_module_details = nullptr;
-
-}  // namespace
-
-std::wstring InstallDetails::GetClientStateKeyPath(bool binaries) const {
-  return binaries && multi_install()
-             ? GetBinariesClientStateKeyPath()
-             : install_static::GetClientStateKeyPath(app_guid());
-}
-
-std::wstring InstallDetails::GetClientStateMediumKeyPath(bool binaries) const {
-  return binaries && multi_install()
-             ? GetBinariesClientStateMediumKeyPath()
-             : install_static::GetClientStateMediumKeyPath(app_guid());
-}
-
-bool InstallDetails::VersionMismatch() const {
-  // Check the product version and the size of the mode structure.
-  return payload_->size != sizeof(Payload) ||
-         strcmp(payload_->product_version, &kProductVersion[0]) != 0 ||
-         payload_->mode->size != sizeof(InstallConstants);
-}
-
-// static
-const InstallDetails& InstallDetails::Get() {
-  assert(g_module_details);
-  return *g_module_details;
-}
-
-// static
-void InstallDetails::SetForProcess(
-    std::unique_ptr<PrimaryInstallDetails> details) {
-  assert(!details || !g_module_details);
-  // Tests may set then reset via null. In this case, delete the old instance.
-  delete g_module_details;
-  // Intentionally leaked at shutdown.
-  g_module_details = details.release();
-}
-
-// static
-const InstallDetails::Payload* InstallDetails::GetPayload() {
-  assert(g_module_details);
-  static_assert(std::is_pod<Payload>::value, "Payload must be a POD-struct");
-  static_assert(std::is_pod<InstallConstants>::value,
-                "InstallConstants must be a POD-struct");
-  return g_module_details->payload_;
-}
-
-// static
-void InstallDetails::InitializeFromPrimaryModule(
-    const wchar_t* primary_module_name) {
-  assert(!g_module_details);
-  using GetInstallDetailsPayloadFunction = const Payload*(__cdecl*)();
-  GetInstallDetailsPayloadFunction payload_getter =
-      reinterpret_cast<GetInstallDetailsPayloadFunction>(::GetProcAddress(
-          ::GetModuleHandle(primary_module_name), "GetInstallDetailsPayload"));
-  assert(payload_getter);
-  // Intentionally leaked at shutdown.
-  g_module_details = new InstallDetails(payload_getter());
-}
-
-PrimaryInstallDetails::PrimaryInstallDetails() : InstallDetails(&payload_) {
-  payload_.size = sizeof(payload_);
-  payload_.product_version = &kProductVersion[0];
-}
-
-}  // namespace install_static