Added ServiceRegistry interface

sky/framework/embedder.dart

Index: sky/framework/embedder.dart
diff --git a/sky/framework/embedder.dart b/sky/framework/embedder.dart
index dd1eaf0aa86b4ebbadd525168bf8249e31c4a998..f4a8ec902604bb6e17e3e0dcdbb1ad93bd3900c2 100644
--- a/sky/framework/embedder.dart
+++ b/sky/framework/embedder.dart
@@ -8,27 +8,26 @@ import "mojo:bindings" as bindings;
 import "mojo:core" as core;
 import "package:mojo/public/interfaces/application/service_provider.mojom.dart";
 import "package:mojo/public/interfaces/application/shell.mojom.dart";
+import "package:sky/services/service_registry/service_registry.mojom.dart";
 
 final _EmbedderImpl embedder = new _EmbedderImpl();
 
 class _EmbedderImpl {
   ApplicationConnection _connection;
+  ServiceRegistry _serviceRegistry;
 
   final ShellProxy shell = new ShellProxy.fromHandle(
       new core.MojoHandle(internals.takeShellProxyHandle()));
 
   ApplicationConnection get connection {
     if (_connection == null) {
-      var stubHandle = new core.MojoHandle(
-          internals.takeServicesProvidedToEmbedder());
-      var proxyHandle = new core.MojoHandle(
-          internals.takeServicesProvidedByEmbedder());
+      var stubHandle =
+          new core.MojoHandle(internals.takeServicesProvidedToEmbedder());
+      var proxyHandle =
+          new core.MojoHandle(internals.takeServicesProvidedByEmbedder());
       _connection = new ApplicationConection(
-         stubHandle.isValid ? ServiceProviderStub.fromHandle(stubHandle)
-             : null;
-         proxyHandle.isValid ? ServiceProviderProxy.fromHandle(proxyHandle)
-             : null;
-      );
+          stubHandle.isValid ? ServiceProviderStub.fromHandle(stubHandle) : null,
+          proxyHandle.isValid ? ServiceProviderProxy.fromHandle(proxyHandle) : null);
     }
     return _connection;
   }
@@ -48,5 +47,14 @@ class _EmbedderImpl {
     appSp.connectToService(proxy.name, pipe.endpoints[1]);
     appSp.close();
   }
+
+  ServiceRegistryProxy get serviceRegistry {
+    if (_serviceRegistry == null) {
+      _serviceRegistry = new ServiceRegistryProxy.fromHandle(
+          new core.MojoHandle(internals.takeServiceRegistry()));
+    }
+    return _serviceRegistry;
+  }
 }
 
+