Split HttpNetworkSession::Params into two structs.

net/url_request/url_request_context_builder.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 is useful for building a simple URLRequestContext. Most creators
 // of new URLRequestContexts should use this helper class to construct it. Call
 // any configuration params, and when done, invoke Build() to construct the
 // URLRequestContext. This URLRequestContext will own all its own storage.
 //
 // URLRequestContextBuilder and its associated params classes are initially
@@ skipping 112 matching lines @@
   void set_enable_brotli(bool enable_brotli) { enable_brotli_ = enable_brotli; }
 
   // Unlike most other setters, the builder does not take ownership of the
   // NetworkQualityEstimator.
   void set_network_quality_estimator(
       NetworkQualityEstimator* network_quality_estimator) {
     network_quality_estimator_ = network_quality_estimator;
   }
 
   // Extracts the component pointers required to construct an HttpNetworkSession
-  // and copies them into the Params used to create the session. This function
-  // should be used to ensure that a context and its associated
-  // HttpNetworkSession are consistent.
+  // and copies them into the HttpNetworkSession::Context used to create the
+  // session. This function should be used to ensure that a context and its
+  // associated HttpNetworkSession are consistent.
   static void SetHttpNetworkSessionComponents(
-      const URLRequestContext* context,
-      HttpNetworkSession::Params* params);
+      const URLRequestContext* request_context,
+      HttpNetworkSession::Context* session_context);
 
   // These functions are mutually exclusive.  The ProxyConfigService, if
   // set, will be used to construct a ProxyService.
   void set_proxy_config_service(
       std::unique_ptr<ProxyConfigService> proxy_config_service) {
     proxy_config_service_ = std::move(proxy_config_service);
   }
 
   // Sets the proxy service. If one is not provided, by default, uses system
   // libraries to evaluate PAC scripts, if available (And if not, skips PAC
@@ skipping 243 matching lines @@
   // Not owned by the context builder. Once it is set to a non-null value, it
   // is guaranteed to be non-null during the lifetime of |this|.
   SocketPerformanceWatcherFactory* socket_performance_watcher_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(URLRequestContextBuilder);
 };
 
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_CONTEXT_BUILDER_H_