Add support for 64-bit Windows build: base and chrome/app

chrome/app/chrome_exe_main.cc

 // Copyright (c) 2006-2008 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 <tchar.h>
 
 #include "base/at_exit.h"
 #include "base/command_line.h"
 #include "base/win_util.h"
@@ skipping 15 matching lines @@
   if (ShowRestartDialogIfCrashed(&exit_now)) {
     if (exit_now)
       return ResultCodes::NORMAL_EXIT;
   }
 
   // Initialize the commandline singleton from the environment.
   CommandLine::Init(0, NULL);
 
   // Initialize the sandbox services.
   sandbox::SandboxInterfaceInfo sandbox_info = {0};
+#ifndef _WIN64  // Sandbox does not support Win64 yet - remove when it does
   sandbox_info.broker_services = sandbox::SandboxFactory::GetBrokerServices();
   if (!sandbox_info.broker_services)
     sandbox_info.target_services = sandbox::SandboxFactory::GetTargetServices();
 
   if (win_util::GetWinVersion() < win_util::WINVERSION_VISTA) {
     // Enforces strong DEP support. Vista uses the NXCOMPAT flag in the exe.
     sandbox::SetCurrentProcessDEP(sandbox::DEP_ENABLED);
   }
-
+#endif  // _WIN64
   // Load and launch the chrome dll. *Everything* happens inside.
   MainDllLoader* loader = MakeMainDllLoader();
   int rc = loader->Launch(instance, &sandbox_info);
   delete loader;
 
   return rc;
 }