Protobuf for Traffic Annotation and first use by a URLFetcher.

net/url_request/url_request_context.h

Index: net/url_request/url_request_context.h
diff --git a/net/url_request/url_request_context.h b/net/url_request/url_request_context.h
index 0158d9aca17282fb5153f318f65d596a3c5fb6ef..1d5f8d057e4c37fcf73dcaa1fdd7922609523608 100644
--- a/net/url_request/url_request_context.h
+++ b/net/url_request/url_request_context.h
@@ -22,6 +22,7 @@
 #include "net/http/http_server_properties.h"
 #include "net/http/transport_security_state.h"
 #include "net/ssl/ssl_config_service.h"
+#include "net/traffic_annotation/network_traffic_annotation.h"
 #include "net/url_request/url_request.h"
 
 namespace net {
@@ -68,9 +69,15 @@ class NET_EXPORT URLRequestContext
       RequestPriority priority,
       URLRequest::Delegate* delegate) const;
 
-  NetLog* net_log() const {
-    return net_log_;
-  }
+  // This function is a proposed replacement for CreateRequest with mandatory
+  // traffic annotation parameter.

[battre, 2016/10/17 14:58:46]

Delete this comment.

[Ramin Halavati, 2016/10/18 06:57:56]

Done.

+  std::unique_ptr<URLRequest> CreateRequest(
+      const GURL& url,
+      RequestPriority priority,
+      URLRequest::Delegate* delegate,
+      NetworkTrafficAnnotationTag traffic_classification) const;
+
+  NetLog* net_log() const { return net_log_; }
 
   void set_net_log(NetLog* net_log) {
     net_log_ = net_log;