Revert of Windows install_static refactor.

chrome/install_static/install_modes.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_modes.h"
-
-namespace install_static {
-
-namespace {
-
-std::wstring GetUnregisteredKeyPathForProduct(const wchar_t* product) {
-  return std::wstring(L"Software\\").append(product);
-}
-
-std::wstring GetClientStateKeyPathForApp(const wchar_t* app_guid) {
-  return std::wstring(L"Software\\Google\\Update\\ClientState\\")
-      .append(app_guid);
-}
-
-std::wstring GetClientStateMediumKeyPathForApp(const wchar_t* app_guid) {
-  return std::wstring(L"Software\\Google\\Update\\ClientStateMedium\\")
-      .append(app_guid);
-}
-
-}  // namespace
-
-std::wstring GetClientStateKeyPath(const wchar_t* app_guid) {
-  if (!kUseGoogleUpdateIntegration)
-    return GetUnregisteredKeyPathForProduct(kProductPathName);
-  return GetClientStateKeyPathForApp(app_guid);
-}
-
-std::wstring GetBinariesClientStateKeyPath() {
-  if (!kUseGoogleUpdateIntegration)
-    return GetUnregisteredKeyPathForProduct(kBinariesPathName);
-  return GetClientStateKeyPathForApp(kBinariesAppGuid);
-}
-
-std::wstring GetClientStateMediumKeyPath(const wchar_t* app_guid) {
-  if (!kUseGoogleUpdateIntegration)
-    return GetUnregisteredKeyPathForProduct(kProductPathName);
-  return GetClientStateMediumKeyPathForApp(app_guid);
-}
-
-std::wstring GetBinariesClientStateMediumKeyPath() {
-  if (!kUseGoogleUpdateIntegration)
-    return GetUnregisteredKeyPathForProduct(kBinariesPathName);
-  return GetClientStateMediumKeyPathForApp(kBinariesAppGuid);
-}
-
-}  // namespace install_static