Experimentally isolate GetOpenFileName in a utility process.

ui/shell_dialogs/select_file_dialog.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 "ui/shell_dialogs/select_file_dialog.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "build/build_config.h"
@@ skipping 67 matching lines @@
 
 #if defined(USE_AURA) && defined(OS_LINUX) && !defined(OS_CHROMEOS)
   const ui::LinuxShellDialog* shell_dialogs = ui::LinuxShellDialog::instance();
   if (shell_dialogs)
     return shell_dialogs->CreateSelectFileDialog(listener, policy);
 #endif
 
 #if defined(OS_WIN)
   // TODO(ananta)
   // Fix this for Chrome ASH on Windows.
-  return CreateWinSelectFileDialog(listener, policy);
+  return CreateDefaultWinSelectFileDialog(listener, policy);
 #elif defined(OS_MACOSX) && !defined(USE_AURA)
   return CreateMacSelectFileDialog(listener, policy);
 #elif defined(OS_ANDROID)
   return CreateAndroidSelectFileDialog(listener, policy);
 #else
   NOTIMPLEMENTED();
   return NULL;
 #endif
 }
 
@@ skipping 47 matching lines @@
 void SelectFileDialog::CancelFileSelection(void* params) {
   if (listener_)
     listener_->FileSelectionCanceled(params);
 }
 
 ShellDialogsDelegate* SelectFileDialog::GetShellDialogsDelegate() {
   return g_shell_dialogs_delegate_;
 }
 
 }  // namespace ui