Fix WeakPtrFactory member order in net/spdy and net/dns

net/spdy/spdy_http_stream.h

Index: net/spdy/spdy_http_stream.h
diff --git a/net/spdy/spdy_http_stream.h b/net/spdy/spdy_http_stream.h
index 5a9377c4f1d63d93516f53a06d00672a56932430..44c26414755e96dcd6b9bb59cecefb56993a26e2 100644
--- a/net/spdy/spdy_http_stream.h
+++ b/net/spdy/spdy_http_stream.h
@@ -109,8 +109,6 @@ class NET_EXPORT_PRIVATE SpdyHttpStream : public SpdyStream::Delegate,
   bool DoBufferedReadCallback();
   bool ShouldWaitForMoreBufferedData() const;
 
-  base::WeakPtrFactory<SpdyHttpStream> weak_factory_;
-
   const base::WeakPtr<SpdySession> spdy_session_;
   bool is_reused_;
   SpdyStreamRequest stream_request_;
@@ -161,6 +159,8 @@ class NET_EXPORT_PRIVATE SpdyHttpStream : public SpdyStream::Delegate,
   // Is this spdy stream direct to the origin server (or to a proxy).
   bool direct_;
 
+  base::WeakPtrFactory<SpdyHttpStream> weak_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(SpdyHttpStream);
 };