Fix open dialog not remembering last opened folder on drive

chrome/browser/download/download_file_picker_chromeos.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/download/download_file_picker_chromeos.h"
 
 #include "base/bind.h"
 #include "base/i18n/file_util_icu.h"
 #include "chrome/browser/chromeos/gdata/gdata_download_observer.h"
 #include "chrome/browser/chromeos/gdata/gdata_util.h"
 #include "content/public/browser/download_item.h"
 #include "content/public/browser/download_manager.h"
+#include "ui/base/dialogs/selected_file_info.h"
 
 using content::DownloadItem;
 using content::DownloadManager;
 
 namespace {
 
 // Call FileSelected on |download_manager|.
 void FileSelectedHelper(DownloadManager* download_manager,
                         int32 download_id,
                         const FilePath& file_path) {
@@ skipping 15 matching lines @@
     set_suggested_path(gdata::util::GetSpecialRemoteRootPath().Append(
         gdata::GDataDownloadObserver::GetGDataPath(item)));
   } else {
     DownloadFilePicker::InitSuggestedPath(item);
   }
 }
 
 void DownloadFilePickerChromeOS::FileSelected(const FilePath& selected_path,
                                               int index,
                                               void* params) {
-  FilePath path = selected_path;
+  FileSelectedWithExtraInfo(
+      ui::SelectedFileInfo(selected_path, selected_path),
+      index,
+      params);
+}
+
+void DownloadFilePickerChromeOS::FileSelectedWithExtraInfo(
+    const ui::SelectedFileInfo& file_info,
+    int index,
+    void* params) {
+  FilePath path = file_info.file_path;
   file_util::NormalizeFileNameEncoding(&path);
 
   RecordFileSelected(path);
 
   if (download_manager_) {
     content::DownloadItem* download =
         download_manager_->GetActiveDownloadItem(download_id_);
     gdata::GDataDownloadObserver::SubstituteGDataDownloadPath(
         NULL, path, download,
         base::Bind(&FileSelectedHelper, download_manager_, download_id_));
   }
   delete this;
 }