Add support in the network service for different contexts.

content/network/network_service_url_loader_factory_impl.cc

Index: content/network/network_service_url_loader_factory_impl.cc
diff --git a/content/network/network_service_url_loader_factory_impl.cc b/content/network/network_service_url_loader_factory_impl.cc
index 3566c33c34b3abc5c9e2f274467719e4d5ea7821..58fef657031a348d7124d22783118fd50f556223 100644
--- a/content/network/network_service_url_loader_factory_impl.cc
+++ b/content/network/network_service_url_loader_factory_impl.cc
@@ -11,8 +11,11 @@
 namespace content {
 
 NetworkServiceURLLoaderFactoryImpl::NetworkServiceURLLoaderFactoryImpl(
-    NetworkContext* context)
-    : context_(context) {}
+    NetworkContext* context,
+    uint32_t process_id)
+    : context_(context), process_id_(process_id) {
+  ignore_result(process_id_);
+}
 
 NetworkServiceURLLoaderFactoryImpl::~NetworkServiceURLLoaderFactoryImpl() =
     default;