Add support in the network service for different contexts.

content/browser/loader/navigation_url_loader_network_service.h

Index: content/browser/loader/navigation_url_loader_network_service.h
diff --git a/content/browser/loader/navigation_url_loader_network_service.h b/content/browser/loader/navigation_url_loader_network_service.h
index 30196ee69a75d22b547e85b7bdf2780c1ccc49dd..23c76fbb1f5d3f4fd5090beb1f6dd2176f644f43 100644
--- a/content/browser/loader/navigation_url_loader_network_service.h
+++ b/content/browser/loader/navigation_url_loader_network_service.h
@@ -23,6 +23,7 @@ namespace content {
 
 class ResourceContext;
 class NavigationPostDataHandler;
+class StoragePartitionImpl;
 
 // This is an implementation of NavigationURLLoader used when
 // --enable-network-service is used.
@@ -78,6 +79,7 @@ class NavigationURLLoaderNetworkService : public NavigationURLLoader,
   NavigationURLLoaderDelegate* delegate_;
 
   mojo::Binding<mojom::URLLoaderClient> binding_;
+  StoragePartitionImpl* storage_partition_;
   std::unique_ptr<NavigationRequestInfo> request_info_;
   mojom::URLLoaderAssociatedPtr url_loader_associated_ptr_;
   scoped_refptr<ResourceResponse> response_;