Revert of Remove reference counting from HttpNetworkSession.

net/spdy/spdy_proxy_client_socket_unittest.cc

Index: net/spdy/spdy_proxy_client_socket_unittest.cc
diff --git a/net/spdy/spdy_proxy_client_socket_unittest.cc b/net/spdy/spdy_proxy_client_socket_unittest.cc
index a8362e3c1b755673ccb83ddffd237492e713eb4c..9d3e03e412745b94bf8e368aad87a0c8a20c76bc 100644
--- a/net/spdy/spdy_proxy_client_socket_unittest.cc
+++ b/net/spdy/spdy_proxy_client_socket_unittest.cc
@@ -123,7 +123,7 @@
   BoundTestNetLog net_log_;
 
  private:
-  scoped_ptr<HttpNetworkSession> session_;
+  scoped_refptr<HttpNetworkSession> session_;
   scoped_refptr<IOBuffer> read_buf_;
   SpdySessionDependencies session_deps_;
   MockConnect connect_data_;
@@ -147,6 +147,7 @@
 
 SpdyProxyClientSocketTest::SpdyProxyClientSocketTest()
     : spdy_util_(GetParam()),
+      session_(NULL),
       read_buf_(NULL),
       session_deps_(GetParam()),
       connect_data_(SYNCHRONOUS, OK),
@@ -188,8 +189,9 @@
       &session_deps_);
 
   // Creates the SPDY session and stream.
-  spdy_session_ = CreateInsecureSpdySession(
-      session_.get(), endpoint_spdy_session_key_, BoundNetLog());
+  spdy_session_ =
+      CreateInsecureSpdySession(
+          session_, endpoint_spdy_session_key_, BoundNetLog());
   base::WeakPtr<SpdyStream> spdy_stream(
       CreateStreamSynchronously(
           SPDY_BIDIRECTIONAL_STREAM, spdy_session_, url_, LOWEST,