Eliminate implicit conversion from scoped_refptr<T> to T*

webkit/plugins/npapi/webplugin_delegate_impl_win.cc

Index: webkit/plugins/npapi/webplugin_delegate_impl_win.cc
diff --git a/webkit/plugins/npapi/webplugin_delegate_impl_win.cc b/webkit/plugins/npapi/webplugin_delegate_impl_win.cc
index 835e49e8546ea1665f69787a6dc7ba0a9c96d4ca..88b0817ec2a25711dc0ee099d94745181ed02fb2 100644
--- a/webkit/plugins/npapi/webplugin_delegate_impl_win.cc
+++ b/webkit/plugins/npapi/webplugin_delegate_impl_win.cc
@@ -599,8 +599,8 @@ bool WebPluginDelegateImpl::WindowedCreatePlugin() {
   // property. Use an atom so that other processes can access the name of
   // the plugin that this window is hosting
   if (instance_ != NULL) {
-    PluginLib* plugin_lib = instance()->plugin_lib();
-    if (plugin_lib != NULL) {
+    scoped_refptr<PluginLib> plugin_lib = instance()->plugin_lib();
+    if (plugin_lib) {
       std::wstring plugin_name = plugin_lib->plugin_info().name;
       if (!plugin_name.empty()) {
         ATOM plugin_name_atom = GlobalAddAtomW(plugin_name.c_str());