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

chrome/browser/plugins/plugin_finder.cc

Index: chrome/browser/plugins/plugin_finder.cc
diff --git a/chrome/browser/plugins/plugin_finder.cc b/chrome/browser/plugins/plugin_finder.cc
index 32ad157c702715068efd27fd616c7641445b9091..007038721fe3df9659e140711c35360ba2ffa3ae 100644
--- a/chrome/browser/plugins/plugin_finder.cc
+++ b/chrome/browser/plugins/plugin_finder.cc
@@ -292,9 +292,11 @@ scoped_ptr<PluginMetadata> PluginFinder::GetPluginMetadata(
   std::string identifier = GetIdentifier(plugin);
   PluginMetadata* metadata = new PluginMetadata(identifier,
                                                 GetGroupName(plugin),
-                                                false, GURL(), GURL(),
+                                                false,
+                                                GURL(),
+                                                GURL(),
                                                 plugin.name,
-                                                "");
+                                                std::string());
   for (size_t i = 0; i < plugin.mime_types.size(); ++i)
     metadata->AddMatchingMimeType(plugin.mime_types[i].mime_type);