FileAPI/sync file system cleanups for scoped_refptr operator T* cleanup.

content/browser/fileapi/fileapi_message_filter.cc

Index: content/browser/fileapi/fileapi_message_filter.cc
diff --git a/content/browser/fileapi/fileapi_message_filter.cc b/content/browser/fileapi/fileapi_message_filter.cc
index 09f81c346ef5bf03291b1e3c787a076a606bb98b..1ebac5259e4043d8987fc7ebe5687e33140764ea 100644
--- a/content/browser/fileapi/fileapi_message_filter.cc
+++ b/content/browser/fileapi/fileapi_message_filter.cc
@@ -672,7 +672,7 @@ void FileAPIMessageFilter::OnCloneStream(
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   // Abort if there's no Stream instance for |src_url| (source Stream which
   // we're going to make |url| point to) in the registry.
-  if (!GetStreamForURL(src_url))
+  if (!GetStreamForURL(src_url).get())
     return;
 
   stream_context_->registry()->CloneStream(url, src_url);