Remove mojo/shell and (most) service implementations

mojo/services/surfaces/surfaces_service_impl.cc

-// 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.
-
-#include "mojo/services/surfaces/surfaces_service_impl.h"
-
-namespace mojo {
-
-SurfacesServiceImpl::SurfacesServiceImpl(cc::SurfaceManager* manager,
-                                         uint32_t* next_id_namespace,
-                                         SurfacesImpl::Client* client)
-    : manager_(manager),
-      next_id_namespace_(next_id_namespace),
-      client_(client) {
-}
-SurfacesServiceImpl::~SurfacesServiceImpl() {
-}
-
-void SurfacesServiceImpl::CreateSurfaceConnection(
-    const Callback<void(SurfacePtr, uint32_t)>& callback) {
-  uint32_t id_namespace = (*next_id_namespace_)++;
-  SurfacePtr surface;
-  BindToProxy(new SurfacesImpl(manager_, id_namespace, client_), &surface);
-  callback.Run(surface.Pass(), id_namespace);
-}
-
-}  // namespace mojo