Rewrite std::string("") to std::string(), Linux edition.

chrome/browser/download/download_file_picker.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.h"
 
 #include "base/metrics/histogram.h"
 #include "chrome/browser/download/download_prefs.h"
 #include "chrome/browser/platform_util.h"
 #include "chrome/browser/ui/chrome_select_file_policy.h"
@@ skipping 68 matching lines @@
     extension.erase(extension.begin());  // drop the .
     file_type_info.extensions.resize(1);
     file_type_info.extensions[0].push_back(extension);
   }
   file_type_info.include_all_files = true;
   file_type_info.support_drive = true;
   gfx::NativeWindow owning_window = web_contents ?
       platform_util::GetTopLevel(web_contents->GetView()->GetNativeView()) :
       NULL;
 
-  select_file_dialog_->SelectFile(
-      ui::SelectFileDialog::SELECT_SAVEAS_FILE,
-      string16(),
-      suggested_path_,
-      &file_type_info,
-      0,
-      FILE_PATH_LITERAL(""),
-      owning_window,
-      NULL);
+  select_file_dialog_->SelectFile(ui::SelectFileDialog::SELECT_SAVEAS_FILE,
+                                  string16(),
+                                  suggested_path_,
+                                  &file_type_info,
+                                  0,
+                                  base::FilePath::StringType(),
+                                  owning_window,
+                                  NULL);
 }
 
 DownloadFilePicker::~DownloadFilePicker() {
 }
 
 void DownloadFilePicker::InitSuggestedPath(
     DownloadItem* item,
     const base::FilePath& suggested_path) {
   set_suggested_path(suggested_path);
 }
@@ skipping 14 matching lines @@
   RecordFileSelected(path);
   OnFileSelected(path);
   // Deletes |this|
 }
 
 void DownloadFilePicker::FileSelectionCanceled(void* params) {
   RecordFilePickerResult(download_manager_, FILE_PICKER_CANCEL);
   OnFileSelected(base::FilePath());
   // Deletes |this|
 }