Protobuf for Traffic Annotation and first use by a URLFetcher.

net/url_request/url_request_context.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This class represents contextual information (cookies, cache, etc.)
 // that's necessary when processing resource requests.
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_CONTEXT_H_
 #define NET_URL_REQUEST_URL_REQUEST_CONTEXT_H_
 
 #include <memory>
 #include <set>
 #include <string>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/threading/non_thread_safe.h"
 #include "net/base/net_export.h"
 #include "net/base/request_priority.h"
 #include "net/http/http_network_session.h"
 #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 {
 class CertVerifier;
 class ChannelIDService;
 class CookieStore;
 class CTPolicyEnforcer;
 class CTVerifier;
 class HostResolver;
 class HttpAuthHandlerFactory;
@@ skipping 21 matching lines @@
   URLRequestContext();
   virtual ~URLRequestContext();
 
   // Copies the state from |other| into this context.
   void CopyFrom(const URLRequestContext* other);
 
   // May return nullptr if this context doesn't have an associated network
   // session.
   const HttpNetworkSession::Params* GetNetworkSessionParams() const;
 
+  // DEPRECATED. Please use the version with NetworkTrafficAnnotationTag in the
+  // future.
   std::unique_ptr<URLRequest> CreateRequest(
       const GURL& url,
       RequestPriority priority,
       URLRequest::Delegate* delegate) const;
 
-  NetLog* net_log() const {
-    return net_log_;
-  }
+  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;
   }
 
   HostResolver* host_resolver() const {
     return host_resolver_;
   }
 
   void set_host_resolver(HostResolver* host_resolver) {
@@ skipping 184 matching lines @@
 
   // Enables Brotli Content-Encoding support.
   bool enable_brotli_;
 
   DISALLOW_COPY_AND_ASSIGN(URLRequestContext);
 };
 
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_CONTEXT_H_