Revert of 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();
+
+  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());
+}