Start consolidating cross-port file selection code into ui/base/dialogs.

chrome/browser/ui/webui/extensions/extension_settings_handler.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 "chrome/browser/ui/webui/extensions/extension_settings_handler.h"
 
 #include "base/auto_reset.h"
 #include "base/base64.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/string_number_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "base/version.h"
+#include "chrome/browser/chrome_select_file_policy.h"
 #include "chrome/browser/debugger/devtools_window.h"
 #include "chrome/browser/extensions/crx_installer.h"
 #include "chrome/browser/extensions/extension_disabled_ui.h"
 #include "chrome/browser/extensions/extension_host.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/extensions/extension_warning_set.h"
 #include "chrome/browser/extensions/lazy_background_task_queue.h"
 #include "chrome/browser/extensions/unpacked_installer.h"
 #include "chrome/browser/extensions/updater/extension_updater.h"
@@ skipping 686 matching lines @@
   DCHECK(args->empty());
 
   string16 select_title =
       l10n_util::GetStringUTF16(IDS_EXTENSION_LOAD_FROM_DIRECTORY);
 
   const int kFileTypeIndex = 0;  // No file type information to index.
   const SelectFileDialog::Type kSelectType = SelectFileDialog::SELECT_FOLDER;
   load_extension_dialog_ = SelectFileDialog::Create(this);
   load_extension_dialog_->SelectFile(
       kSelectType, select_title, last_unpacked_directory_, NULL,
-      kFileTypeIndex, FILE_PATH_LITERAL(""), web_ui()->GetWebContents(),
+      kFileTypeIndex, FILE_PATH_LITERAL(""),
+      ChromeSelectFilePolicy::DisplayInfobarCallback(
+          web_ui()->GetWebContents()),
       web_ui()->GetWebContents()->GetView()->GetTopLevelNativeWindow(), NULL);
 }
 
 void ExtensionSettingsHandler::ShowAlert(const std::string& message) {
   ListValue arguments;
   arguments.Append(Value::CreateStringValue(message));
   web_ui()->CallJavascriptFunction("alert", arguments);
 }
 
 const Extension* ExtensionSettingsHandler::GetActiveExtension(
@@ skipping 120 matching lines @@
   return extension_uninstall_dialog_.get();
 #else
   return NULL;
 #endif  // !defined(OS_ANDROID)
 }
 
 void ExtensionSettingsHandler::InspectExtensionHost(ExtensionHost* host) {
   if (host)
     DevToolsWindow::OpenDevToolsWindow(host->render_view_host());
 }