Update mojo sdk to rev 8d45c89c30b230843c5bd6dd0693a555750946c0

third_party/mojo_services/src/surfaces/public/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.
 
 module mojo;
 
 import "geometry/public/interfaces/geometry.mojom";
 import "gpu/public/interfaces/command_buffer.mojom";
 import "gpu/public/interfaces/viewport_parameter_listener.mojom";
 import "surfaces/public/interfaces/quads.mojom";
@@ skipping 34 matching lines @@
   uint32 sync_point;
   int32 count;
   bool lost;
 };
 
 struct Frame {
   array<TransferableResource> resources;
   array<Pass> passes;
 };
 
-interface SurfaceClient {
-  // This sets the id namespace for this connection. This method will be invoked
-  // exactly once when a new connection is established.
-  SetIdNamespace(uint32 id_namespace);
+interface ResourceReturner {
   ReturnResources(array<ReturnedResource> resources);
 };
 
-[Client=SurfaceClient]
 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);
 
-  // The client can only submit frames to surfaces created with this
-  // connection.  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.
+  // 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);
 
   CreateGLES2BoundSurface(CommandBuffer gles2_client,
                           uint32 id_local,
                           Size size,
                           ViewportParameterListener& listener);
 };