Log source_dependency in HTTP2_SESSION_SEND_HEADERS.

net/spdy/spdy_proxy_client_socket.cc

Index: net/spdy/spdy_proxy_client_socket.cc
diff --git a/net/spdy/spdy_proxy_client_socket.cc b/net/spdy/spdy_proxy_client_socket.cc
index 52dcb1d1c6bd1e3e7b8559378feb621bd0bf1678..9b9ce555640d1910b95b709a58449d3d4d28328b 100644
--- a/net/spdy/spdy_proxy_client_socket.cc
+++ b/net/spdy/spdy_proxy_client_socket.cc
@@ -25,7 +25,6 @@
 #include "net/http/http_response_headers.h"
 #include "net/http/proxy_connect_redirect_http_stream.h"
 #include "net/log/net_log_event_type.h"
-#include "net/log/net_log_source.h"
 #include "net/log/net_log_source_type.h"
 #include "net/spdy/spdy_http_utils.h"
 #include "url/gurl.h"
@@ -50,6 +49,7 @@ SpdyProxyClientSocket::SpdyProxyClientSocket(
       redirect_has_load_timing_info_(false),
       net_log_(NetLogWithSource::Make(spdy_stream->net_log().net_log(),
                                       NetLogSourceType::PROXY_CLIENT_SOCKET)),
+      source_dependency_(source_net_log.source()),
       weak_factory_(this),
       write_callback_weak_factory_(this) {
   request_.method = "CONNECT";
@@ -527,4 +527,8 @@ void SpdyProxyClientSocket::OnClose(int status)  {
     write_callback.Run(ERR_CONNECTION_CLOSED);
 }
 
+NetLogSource SpdyProxyClientSocket::source_dependency() const {
+  return source_dependency_;
+}
+
 }  // namespace net