Revive experiment to isolate shell operations.

chrome/utility/ipc_shell_handler_win.cc

-// Copyright 2014 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/utility/ipc_shell_handler_win.h"
-
-#include <commdlg.h>
-
-#include <memory>
-
-#include "base/files/file_path.h"
-#include "chrome/common/chrome_utility_messages.h"
-#include "content/public/utility/utility_thread.h"
-#include "ui/base/win/open_file_name_win.h"
-
-IPCShellHandler::IPCShellHandler() {}
-IPCShellHandler::~IPCShellHandler() {}
-
-bool IPCShellHandler::OnMessageReceived(const IPC::Message& message) {
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP(IPCShellHandler, message)
-    IPC_MESSAGE_HANDLER(ChromeUtilityMsg_GetOpenFileName, OnGetOpenFileName)
-    IPC_MESSAGE_HANDLER(ChromeUtilityMsg_GetSaveFileName, OnGetSaveFileName)
-    IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP()
-  return handled;
-}
-
-void IPCShellHandler::OnGetOpenFileName(HWND owner,
-                                        DWORD flags,
-                                        const GetOpenFileNameFilter& filter,
-                                        const base::FilePath& initial_directory,
-                                        const base::FilePath& filename) {
-  ui::win::OpenFileName open_file_name(owner, flags);
-  open_file_name.SetInitialSelection(initial_directory, filename);
-  open_file_name.SetFilters(filter);
-
-  base::FilePath directory;
-  std::vector<base::FilePath> filenames;
-
-  if (::GetOpenFileName(open_file_name.GetOPENFILENAME()))
-    open_file_name.GetResult(&directory, &filenames);
-
-  if (filenames.size()) {
-    content::UtilityThread::Get()->Send(
-        new ChromeUtilityHostMsg_GetOpenFileName_Result(directory, filenames));
-  } else {
-    content::UtilityThread::Get()->Send(
-        new ChromeUtilityHostMsg_GetOpenFileName_Failed());
-  }
-}
-
-void IPCShellHandler::OnGetSaveFileName(
-    const ChromeUtilityMsg_GetSaveFileName_Params& params) {
-  ui::win::OpenFileName open_file_name(params.owner, params.flags);
-  open_file_name.SetInitialSelection(params.initial_directory,
-                                     params.suggested_filename);
-  open_file_name.SetFilters(params.filters);
-  open_file_name.GetOPENFILENAME()->nFilterIndex =
-      params.one_based_filter_index;
-  open_file_name.GetOPENFILENAME()->lpstrDefExt =
-      params.default_extension.c_str();
-
-  open_file_name.MaybeInstallWindowPositionHookForSaveAsOnXP();
-
-  if (::GetSaveFileName(open_file_name.GetOPENFILENAME())) {
-    content::UtilityThread::Get()->Send(
-        new ChromeUtilityHostMsg_GetSaveFileName_Result(
-            base::FilePath(open_file_name.GetOPENFILENAME()->lpstrFile),
-            open_file_name.GetOPENFILENAME()->nFilterIndex));
-    return;
-  }
-
-  // Zero means the dialog was closed, otherwise we had an error.
-  DWORD error_code = ::CommDlgExtendedError();
-  if (error_code != 0)
-    NOTREACHED() << "GetSaveFileName failed with code: " << error_code;
-
-  content::UtilityThread::Get()->Send(
-      new ChromeUtilityHostMsg_GetSaveFileName_Failed());
-}