ApplicationConnection devolution, part 3.

services/files/main.cc

Index: services/files/main.cc
diff --git a/services/files/main.cc b/services/files/main.cc
index 6d368de5af4af166b048649689b8091ab45cddc1..c84b7ec223a538e020d91aebbe042106e24a9757 100644
--- a/services/files/main.cc
+++ b/services/files/main.cc
@@ -20,8 +20,9 @@ class FilesApp : public ApplicationDelegate {
 
  private:
   // |ApplicationDelegate| override:
-  bool ConfigureIncomingConnection(ApplicationConnection* connection) override {
-    connection->GetServiceProviderImpl().AddService<Files>(
+  bool ConfigureIncomingConnection(
+      ServiceProviderImpl* service_provider_impl) override {
+    service_provider_impl->AddService<Files>(
         [](const ConnectionContext& connection_context,
            InterfaceRequest<Files> files_request) {
           new FilesImpl(connection_context, files_request.Pass());