Update mojo surfaces bindings and mojo/cc/ glue

mojo/services/public/interfaces/surfaces/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.
 
 import "mojo/services/public/interfaces/geometry/geometry.mojom"
 import "mojo/services/gles2/command_buffer.mojom"
 import "mojo/services/public/interfaces/surfaces/quads.mojom"
 import "mojo/services/public/interfaces/surfaces/surface_id.mojom"
 
 module mojo {
@@ skipping 34 matching lines @@
   int32 count;
   bool lost;
 };
 
 struct Frame {
   TransferableResource[] resources;
   Pass[] passes;
 };
 
 interface SurfaceClient {
-  SetIdNamespace(uint32 id);
   ReturnResources(ReturnedResource[] resources);
 };
 
 [Client=SurfaceClient]
 interface Surface {
+  // The id is created by the client and must be unique and contain the
+  // connection's namespace in the upper 32 bits.
   CreateSurface(SurfaceId id, Size size);
+
+  // The client can only submit frames to surfaces created with this connection.
   SubmitFrame(SurfaceId id, Frame frame);
   DestroySurface(SurfaceId id);
 
   CreateGLES2BoundSurface(CommandBuffer gles2_client,
                           SurfaceId id,
                           Size size);
 };
 
 }