Revert "Update mojo sdk to rev 8d45c89c30b230843c5bd6dd0693a555750946c0"

third_party/mojo_services/src/surfaces/public/interfaces/surfaces.mojom

Index: third_party/mojo_services/src/surfaces/public/interfaces/surfaces.mojom
diff --git a/third_party/mojo_services/src/surfaces/public/interfaces/surfaces.mojom b/third_party/mojo_services/src/surfaces/public/interfaces/surfaces.mojom
index 71aed7ea94935afa68f750220327def2a9b16619..7badcd342655c2eb1508c9df8011c427a4a9e3c2 100644
--- a/third_party/mojo_services/src/surfaces/public/interfaces/surfaces.mojom
+++ b/third_party/mojo_services/src/surfaces/public/interfaces/surfaces.mojom
@@ -52,28 +52,21 @@ struct Frame {
   array<Pass> passes;
 };
 
-interface ResourceReturner {
+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);
   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);
 
-  // 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.
+  // 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.
   SubmitFrame(uint32 id_local, Frame frame) => ();
   DestroySurface(uint32 id_local);