net: Bind WeakPtr to HttpNetworkTransaction::io_callback_

net/http/http_network_transaction.cc

Index: net/http/http_network_transaction.cc
diff --git a/net/http/http_network_transaction.cc b/net/http/http_network_transaction.cc
index a63a2aa43b974acbc11ec1ebe599e4f6ca294399..ccfbef2e69c1e91218d2e200ff1f51d444f69bca 100644
--- a/net/http/http_network_transaction.cc
+++ b/net/http/http_network_transaction.cc
@@ -118,8 +118,6 @@ base::Value* NetLogSSLVersionFallbackCallback(
 HttpNetworkTransaction::HttpNetworkTransaction(RequestPriority priority,
                                                HttpNetworkSession* session)
     : pending_auth_target_(HttpAuth::AUTH_NONE),
-      io_callback_(base::Bind(&HttpNetworkTransaction::OnIOComplete,
-                              base::Unretained(this))),
       session_(session),
       request_(NULL),
       priority_(priority),
@@ -128,7 +126,11 @@ HttpNetworkTransaction::HttpNetworkTransaction(RequestPriority priority,
       request_headers_(),
       read_buf_len_(0),
       next_state_(STATE_NONE),
-      establishing_tunnel_(false) {
+      establishing_tunnel_(false),
+      weak_ptr_factory_(this) {
+  io_callback_ = base::Bind(&HttpNetworkTransaction::OnIOComplete,
+                            weak_ptr_factory_.GetWeakPtr());
+
   session->ssl_config_service()->GetSSLConfig(&server_ssl_config_);
   if (session->http_stream_factory()->has_next_protos()) {
     server_ssl_config_.next_protos =