Adds Embed() variant to ViewManagerService that takes ViewManagerClient

services/view_manager/connection_manager.h

Index: services/view_manager/connection_manager.h
diff --git a/services/view_manager/connection_manager.h b/services/view_manager/connection_manager.h
index 051523677870ca36488c7f9a4f2f355acd75d2fe..cb6180656e0ceb3b81d64bde88382f30ac599f07 100644
--- a/services/view_manager/connection_manager.h
+++ b/services/view_manager/connection_manager.h
@@ -82,6 +82,9 @@ class ConnectionManager : public ServerViewDelegate,
                    const ViewId& view_id,
                    mojo::InterfaceRequest<mojo::ServiceProvider> services,
                    mojo::ServiceProviderPtr exposed_services);
+  void EmbedAtView(mojo::ConnectionSpecificId creator_id,
+                   const ViewId& view_id,
+                   mojo::ViewManagerClientPtr client);
 
   // Returns the connection by id.
   ViewManagerServiceImpl* GetConnection(