Remove implicit conversions from scoped_refptr to T* in net/

net/base/file_stream_unittest.cc

Index: net/base/file_stream_unittest.cc
diff --git a/net/base/file_stream_unittest.cc b/net/base/file_stream_unittest.cc
index 2e308b3a7f82487be23f182ec006c07bdfb6d37d..cb5c798cb96fcb304558c10bff231b072994a100 100644
--- a/net/base/file_stream_unittest.cc
+++ b/net/base/file_stream_unittest.cc
@@ -172,7 +172,7 @@ TEST_F(FileStreamTest, UseClosedStream) {
 
   // Try reading...
   scoped_refptr<IOBufferWithSize> buf = new IOBufferWithSize(10);
-  rv = stream.Read(buf, buf->size(), callback.callback());
+  rv = stream.Read(buf.get(), buf->size(), callback.callback());
   EXPECT_EQ(ERR_UNEXPECTED, callback.GetResult(rv));
 }