Remove implicit conversions from scoped_refptr to T* in net/websockets/

net/websockets/websocket_deflate_stream_test.cc

Index: net/websockets/websocket_deflate_stream_test.cc
diff --git a/net/websockets/websocket_deflate_stream_test.cc b/net/websockets/websocket_deflate_stream_test.cc
index a8b4e59c32b16fec0a636d3b93c3bdde7e098581..590f616d553c7860e6bfc58caca57494212c0e6e 100644
--- a/net/websockets/websocket_deflate_stream_test.cc
+++ b/net/websockets/websocket_deflate_stream_test.cc
@@ -68,7 +68,8 @@ std::string ToString(const scoped_refptr<IOBuffer>& buffer, size_t size) {
 }
 
 std::string ToString(const WebSocketFrame* frame) {
-  return frame->data ? ToString(frame->data, frame->header.payload_length) : "";
+  return frame->data.get() ? ToString(frame->data, frame->header.payload_length)
+                           : "";
 }
 
 void AppendTo(ScopedVector<WebSocketFrame>* frames,