Added Chrome profile option in registry.

cloud_print/virtual_driver/win/install/setup.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 <windows.h>
 #include <setupapi.h>  // Must be included after windows.h
 #include <winspool.h>
 
 #include "base/at_exit.h"
 #include "base/command_line.h"
@@ skipping 30 matching lines @@
 const wchar_t kGcpUrl[] = L"http://www.google.com/cloudprint";
 
 void SetOmahaKeys() {
   base::win::RegKey key;
   if (key.Create(HKEY_LOCAL_MACHINE, cloud_print::kKeyLocation,
                  KEY_SET_VALUE) != ERROR_SUCCESS) {
     LOG(ERROR) << "Unable to open key";
   }
 
   // Get the version from the resource file.
-  std::wstring version_string;
+  string16 version_string;
   scoped_ptr<FileVersionInfo> version_info(
       FileVersionInfo::CreateFileVersionInfoForCurrentModule());
 
   if (version_info.get()) {
     FileVersionInfoWin* version_info_win =
         static_cast<FileVersionInfoWin*>(version_info.get());
     version_string = version_info_win->product_version();
   } else {
     LOG(ERROR) << "Unable to get version string";
     // Use a random version string so that Omaha has something to go by.
@@ skipping 518 matching lines @@
       }
     }
   }
   // Installer is silent by default as required by Omaha.
   if (CommandLine::ForCurrentProcess()->HasSwitch("verbose")) {
     cloud_print::DisplayWindowsMessage(NULL, retval,
         cloud_print::LoadLocalString(IDS_DRIVER_NAME));
   }
   return retval;
 }