Plumb connection attempts from (non-proxy) ConnectJobs to HttpNetworkTransaction.

net/http/http_network_transaction.h

Index: net/http/http_network_transaction.h
diff --git a/net/http/http_network_transaction.h b/net/http/http_network_transaction.h
index c098d75888d94b7af1d855eecdd2141fd2117a76..69246d6b597231daa0c56aacec097f02895acf9a 100644
--- a/net/http/http_network_transaction.h
+++ b/net/http/http_network_transaction.h
@@ -99,6 +99,8 @@ class NET_EXPORT_PRIVATE HttpNetworkTransaction
                                   const ProxyInfo& used_proxy_info,
                                   HttpStream* stream) override;
 
+  const ClientSocketHandle::ConnectionAttempts& connection_attempts() const;
+
  private:
   friend class HttpNetworkTransactionSSLTest;
 
@@ -257,6 +259,8 @@ class NET_EXPORT_PRIVATE HttpNetworkTransaction
 
   void SetStream(HttpStream* stream);
 
+  void CopyConnectionAttempts();
+
   scoped_refptr<HttpAuthController>
       auth_controllers_[HttpAuth::AUTH_NUM_TARGETS];
 
@@ -327,6 +331,8 @@ class NET_EXPORT_PRIVATE HttpNetworkTransaction
   BeforeNetworkStartCallback before_network_start_callback_;
   BeforeProxyHeadersSentCallback before_proxy_headers_sent_callback_;
 
+  ClientSocketHandle::ConnectionAttempts connection_attempts_;
+
   DISALLOW_COPY_AND_ASSIGN(HttpNetworkTransaction);
 };