Remove PluginList::RemovePlugin() and directly remove old plug-ins from plug-in list instead.

webkit/plugins/npapi/plugin_list.h

Index: webkit/plugins/npapi/plugin_list.h
diff --git a/webkit/plugins/npapi/plugin_list.h b/webkit/plugins/npapi/plugin_list.h
index 6825538413a1507bfe0048dc0f716a32fb365e1d..f34a18a73c9af375afa29f7951fb0d57a62baf29 100644
--- a/webkit/plugins/npapi/plugin_list.h
+++ b/webkit/plugins/npapi/plugin_list.h
@@ -217,10 +217,6 @@ class WEBKIT_PLUGINS_EXPORT PluginList {
                          const std::string& extension,
                          std::string* actual_mime_type);
 
-  // Removes a plug-in from |plugins_list_| by its path.
-  static bool RemovePlugin(const FilePath& filename,
-                           std::vector<webkit::WebPluginInfo>* plugins);
-
   //
   // Platform functions
   //