Factor out logic to find chrome.exe from Omaha client state.

cloud_print/service/win/cloud_print_service.cc

 // Copyright (c) 2012 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 "cloud_print/service/win/cloud_print_service.h"
 
 #include <atlsecurity.h>
 #include <iomanip>
 #include <iostream>
 
 #include "base/at_exit.h"
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/string_util.h"
 #include "base/win/scoped_handle.h"
+#include "chrome/installer/launcher_support/chrome_launcher_support.h"
 #include "cloud_print/service/service_state.h"
 #include "cloud_print/service/service_switches.h"
 #include "cloud_print/service/win/chrome_launcher.h"
 #include "cloud_print/service/win/resource.h"
 
 namespace {
 
 const wchar_t kServiceStateFileName[] = L"Service State";
 
 const wchar_t kUserToRunService[] = L"NT AUTHORITY\\LocalService";
@@ skipping 147 matching lines @@
   DECLARE_REGISTRY_APPID_RESOURCEID(IDR_CLOUDPRINTSERVICE,
                                     "{8013FB7C-2E3E-4992-B8BD-05C0C4AB0627}")
 
   HRESULT InitializeSecurity() {
     // TODO(gene): Check if we need to call CoInitializeSecurity and provide
     // the appropriate security settings for service.
     return S_OK;
   }
 
   HRESULT InstallService() {
+    using namespace chrome_launcher_support;
+
     // TODO(vitalybuka): consider "lite" version if we don't want unregister
     // printers here.
     HRESULT hr = UninstallService();
     if (FAILED(hr))
       return hr;
 
-    if (ChromeLauncher::GetChromePath(HKEY_LOCAL_MACHINE).empty()) {
+    if (GetChromePathForInstallationLevel(SYSTEM_LEVEL_INSTALLATION).empty()) {
       LOG(ERROR) << "Found no Chrome installed for all users.";
       return HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND);
     }
 
     hr = UpdateRegistryAppId(true);
     if (FAILED(hr))
       return hr;
 
     FilePath service_path;
     CHECK(PathService::Get(base::FILE_EXE, &service_path));
@@ skipping 254 matching lines @@
 
 BOOL CloudPrintServiceModule::ConsoleCtrlHandler(DWORD type) {
   PostThreadMessage(_AtlModule.m_dwThreadID, WM_QUIT, 0, 0);
   return TRUE;
 }
 
 int main() {
   base::AtExitManager at_exit;
   return _AtlModule.WinMain(0);
 }