Add a Display and ContextProvider concept to mojom, use to recreate

services/fake_surfaces/fake_surfaces_service_application.cc

Index: services/fake_surfaces/fake_surfaces_service_application.cc
diff --git a/services/fake_surfaces/fake_surfaces_service_application.cc b/services/fake_surfaces/fake_surfaces_service_application.cc
index 7e0a316eaac9c727309780eb69dbdcc7a5ff6a39..783fb82012453a5d96d5394cf602466c18956b2a 100644
--- a/services/fake_surfaces/fake_surfaces_service_application.cc
+++ b/services/fake_surfaces/fake_surfaces_service_application.cc
@@ -54,13 +54,6 @@ class FakeSurfaceImpl : public mojo::Surface {
 
   void DestroySurface(uint32_t local_id) override {}
 
-  void CreateGLES2BoundSurface(
-      mojo::CommandBufferPtr gles2_client,
-      uint32_t local_id,
-      mojo::SizePtr size,
-      mojo::InterfaceRequest<mojo::ViewportParameterListener> listener_request)
-      override {}
-
  private:
   const uint32_t id_namespace_;
   mojo::ResourceReturnerPtr returner_;