Split HttpNetworkSession::Params into two structs.

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_
 
@@ skipping 55 matching lines @@
   URLRequestContext();
   ~URLRequestContext() override;
 
   // 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;
 
+  // May return nullptr if this context doesn't have an associated network
+  // session.
+  const HttpNetworkSession::Context* GetNetworkSessionContext() const;
+
   // This function should not be used in Chromium, please use the version with
   // NetworkTrafficAnnotationTag in the future.
   std::unique_ptr<URLRequest> CreateRequest(
       const GURL& url,
       RequestPriority priority,
       URLRequest::Delegate* delegate) const;
 
   // |traffic_annotation| is metadata about the network traffic send via this
   // URLRequest, see net::DefineNetworkTrafficAnnotation. Note that:
   // - net provides the API for tagging requests with an opaque identifier.
@@ skipping 246 matching lines @@
   // The largest number of outstanding URLRequests that have been created by
   // |this| and are not yet destroyed. This doesn't need to be in CopyFrom.
   mutable size_t largest_outstanding_requests_count_seen_;
 
   DISALLOW_COPY_AND_ASSIGN(URLRequestContext);
 };
 
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_CONTEXT_H_