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

chrome/browser/download/download_file_picker.cc

Index: chrome/browser/download/download_file_picker.cc
diff --git a/chrome/browser/download/download_file_picker.cc b/chrome/browser/download/download_file_picker.cc
index 29a1573be53162504397c2b4ad8d6fd19eb9242d..a968b06122193321e4f6c0133248610cc52561ce 100644
--- a/chrome/browser/download/download_file_picker.cc
+++ b/chrome/browser/download/download_file_picker.cc
@@ -86,15 +86,14 @@ void DownloadFilePicker::Init(
       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() {