Dart: Removes name conflicts from generated bindings.

sky/framework/embedder.dart

Index: sky/framework/embedder.dart
diff --git a/sky/framework/embedder.dart b/sky/framework/embedder.dart
index dd1eaf0aa86b4ebbadd525168bf8249e31c4a998..21ebbb400c73f50a888e3f33948de283cc2e88f3 100644
--- a/sky/framework/embedder.dart
+++ b/sky/framework/embedder.dart
@@ -36,17 +36,17 @@ class _EmbedderImpl {
   ApplicationConnection connectToApplication(String url) {
     var proxy = new ServiceProviderProxy.unbound();
     var stub = new ServiceProviderStub.unbound();
-    shell.connectToApplication(url, proxy, stub);
+    shell.interface.connectToApplication(url, proxy, stub);
     return new ApplicationConnection(stub, proxy);
   }
 
-  void connectToService(String url, bindings.Proxy proxy) {
+  void connectToService(String url, bindings.ProxyBase proxy) {
     var appSp = new ServiceProviderProxy.unbound();
-    shell.connectToApplication(url, appSp, null);
+    shell.interface.connectToApplication(url, appSp, null);
     var pipe = new core.MojoMessagePipe();
-    proxy.bind(pipe.endpoints[0]);
-    appSp.connectToService(proxy.name, pipe.endpoints[1]);
-    appSp.close();
+    proxy.impl.bind(pipe.endpoints[0]);
+    appSp.interface.connectToService(proxy.name, pipe.endpoints[1]);
+    appSp.impl.close();
   }
 }