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

chrome/browser/ui/webui/extensions/pack_extension_handler.cc

Index: chrome/browser/ui/webui/extensions/pack_extension_handler.cc
diff --git a/chrome/browser/ui/webui/extensions/pack_extension_handler.cc b/chrome/browser/ui/webui/extensions/pack_extension_handler.cc
index a69cd4d721ce054294c578d32dbd0af42b627148..d201c9118d19b35697153e5b83f2d2fd31c52259 100644
--- a/chrome/browser/ui/webui/extensions/pack_extension_handler.cc
+++ b/chrome/browser/ui/webui/extensions/pack_extension_handler.cc
@@ -184,8 +184,12 @@ void PackExtensionHandler::HandleSelectFilePathMessage(
   load_extension_dialog_ = ui::SelectFileDialog::Create(
       this, new ChromeSelectFilePolicy(web_ui()->GetWebContents()));
   load_extension_dialog_->SelectFile(
-      type, select_title, base::FilePath(), &info, file_type_index,
-      FILE_PATH_LITERAL(""),
+      type,
+      select_title,
+      base::FilePath(),
+      &info,
+      file_type_index,
+      base::FilePath::StringType(),
       web_ui()->GetWebContents()->GetView()->GetTopLevelNativeWindow(),
       NULL);
 }