Eliminate implicit conversion from scoped_refptr<T> to T*

webkit/plugins/npapi/plugin_stream_url.cc

Index: webkit/plugins/npapi/plugin_stream_url.cc
diff --git a/webkit/plugins/npapi/plugin_stream_url.cc b/webkit/plugins/npapi/plugin_stream_url.cc
index b7efcdfbb982817ff034a3b34c8c68f8b12e1bd2..2286d55108e0c86078e4ee9c9395d6a0652d52bd 100644
--- a/webkit/plugins/npapi/plugin_stream_url.cc
+++ b/webkit/plugins/npapi/plugin_stream_url.cc
@@ -36,7 +36,7 @@ bool PluginStreamUrl::Close(NPReason reason) {
   scoped_refptr<PluginStream> protect(this);
   CancelRequest();
   bool result = PluginStream::Close(reason);
-  instance()->RemoveStream(this);
+  instance()->RemoveStream(protect);
   return result;
 }
 
@@ -75,7 +75,7 @@ void PluginStreamUrl::DidReceiveResponse(const std::string& mime_type,
                      request_is_seekable);
   if (!opened) {
     CancelRequest();
-    instance()->RemoveStream(this);
+    instance()->RemoveStream(protect);
   } else {
     if (id_ > 0)
       instance()->webplugin()->SetDeferResourceLoading(id_, false);