Revert of Remove reference counting from HttpNetworkSession.

net/http/http_cache.cc

Index: net/http/http_cache.cc
diff --git a/net/http/http_cache.cc b/net/http/http_cache.cc
index 23065258dce0c452d7ce7dfa6157d503c5c0c718..796aeea501414bdacb9efa9aecd625a6702a85aa 100644
--- a/net/http/http_cache.cc
+++ b/net/http/http_cache.cc
@@ -294,20 +294,39 @@
 };
 
 //-----------------------------------------------------------------------------
+HttpCache::HttpCache(const HttpNetworkSession::Params& params,
+                     BackendFactory* backend_factory)
+    : net_log_(params.net_log),
+      backend_factory_(backend_factory),
+      building_backend_(false),
+      bypass_lock_for_test_(false),
+      fail_conditionalization_for_test_(false),
+      mode_(NORMAL),
+      network_layer_(new HttpNetworkLayer(new HttpNetworkSession(params))),
+      clock_(new base::DefaultClock()),
+      weak_factory_(this) {
+  SetupQuicServerInfoFactory(network_layer_->GetSession());
+}
+
+
 // This call doesn't change the shared |session|'s QuicServerInfoFactory because
 // |session| is shared.
 HttpCache::HttpCache(HttpNetworkSession* session,
-                     BackendFactory* backend_factory,
-                     bool set_up_quic_server_info)
-    : HttpCache(new HttpNetworkLayer(session),
-                session->net_log(),
-                backend_factory,
-                set_up_quic_server_info) {}
+                     BackendFactory* backend_factory)
+    : net_log_(session->net_log()),
+      backend_factory_(backend_factory),
+      building_backend_(false),
+      bypass_lock_for_test_(false),
+      fail_conditionalization_for_test_(false),
+      mode_(NORMAL),
+      network_layer_(new HttpNetworkLayer(session)),
+      clock_(new base::DefaultClock()),
+      weak_factory_(this) {
+}
 
 HttpCache::HttpCache(HttpTransactionFactory* network_layer,
                      NetLog* net_log,
-                     BackendFactory* backend_factory,
-                     bool set_up_quic_server_info)
+                     BackendFactory* backend_factory)
     : net_log_(net_log),
       backend_factory_(backend_factory),
       building_backend_(false),
@@ -317,8 +336,7 @@
       network_layer_(network_layer),
       clock_(new base::DefaultClock()),
       weak_factory_(this) {
-  if (set_up_quic_server_info)
-    SetupQuicServerInfoFactory(network_layer_->GetSession());
+  SetupQuicServerInfoFactory(network_layer_->GetSession());
 }
 
 HttpCache::~HttpCache() {