Split HttpNetworkSession::Params into two structs.

chromecast/browser/url_request_context_factory.h

Index: chromecast/browser/url_request_context_factory.h
diff --git a/chromecast/browser/url_request_context_factory.h b/chromecast/browser/url_request_context_factory.h
index 18f5d87dfa219d829d20e9e3ce7a22751868e901..ba8deda1490c06b513ca33089fd1b701c1bb26fb 100644
--- a/chromecast/browser/url_request_context_factory.h
+++ b/chromecast/browser/url_request_context_factory.h
@@ -82,8 +82,10 @@ class URLRequestContextFactory {
       content::URLRequestInterceptorScopedVector request_interceptors);
   void InitializeMediaContextDependencies(net::HttpTransactionFactory* factory);
 
-  void PopulateNetworkSessionParams(bool ignore_certificate_errors,
-                                    net::HttpNetworkSession::Params* params);
+  void PopulateNetworkSessionParams(
+      bool ignore_certificate_errors,
+      net::HttpNetworkSession::Params* session_params,
+      net::HttpNetworkSession::Context* session_context);
   void DisableQuicOnBrowserIOThread();
 
   // These are called by the RequestContextGetters to create each