Require an explicit ServiceName annotation for interfaces in C++.

mojo/services/surfaces/interfaces/surfaces.mojom

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 [DartPackage="mojo_services"]
 module mojo;
 
 import "geometry/interfaces/geometry.mojom";
 import "surfaces/interfaces/quads.mojom";
 import "surfaces/interfaces/surface_id.mojom";
@@ skipping 37 matching lines @@
 
 struct Frame {
   array<TransferableResource> resources;
   array<Pass> passes;
 };
 
 interface ResourceReturner {
   ReturnResources(array<ReturnedResource> resources);
 };
 
+[ServiceName="mojo::Surface"]
 interface Surface {
   // Request the id namespace for this connection. Fully qualified surface ids
   // are the combination of the id_namespace for the connection that created the
   // surface and the id_local component allocated by the caller.
   GetIdNamespace() => (uint32 id_namespace);
 
   // Sets a ResourceReturner that will receive unused resources.
   SetResourceReturner(ResourceReturner returner);
 
   // Creates a new surface with the given local identifier. Once a surface is
   // created the caller may submit frames to it or destroy it using the local
   // identifier. The caller can also produce a fully qualified surface id that
   // can be embedded in frames produces by different connections.
   CreateSurface(uint32 id_local);
 
   // After the submitted frame is drawn for the first time, the surface will
   // respond to the SubmitFrame message. Clients should use this acknowledgement
   // to ratelimit frame submissions.
   SubmitFrame(uint32 id_local, Frame frame) => ();
   DestroySurface(uint32 id_local);
 };