Make Tracing Service not use outgoing InterfaceProvider, update conventions

ash/mus/window_manager_application.cc

 // Copyright 2015 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 "ash/mus/window_manager_application.h"
 
 #include <utility>
 
 #include "ash/common/material_design/material_design_controller.h"
 #include "ash/mus/accelerators/accelerator_registrar_impl.h"
 #include "ash/mus/root_window_controller.h"
 #include "ash/mus/shelf_layout_impl.h"
 #include "ash/mus/user_window_controller_impl.h"
 #include "ash/mus/window_manager.h"
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "services/shell/public/cpp/connection.h"
 #include "services/shell/public/cpp/connector.h"
-#include "services/tracing/public/cpp/tracing_impl.h"
+#include "services/tracing/public/cpp/provider.h"
 #include "services/ui/common/event_matcher_util.h"
 #include "services/ui/common/gpu_service.h"
 #include "services/ui/public/cpp/window.h"
 #include "services/ui/public/cpp/window_tree_client.h"
 #include "ui/events/event.h"
 #include "ui/message_center/message_center.h"
 #include "ui/views/mus/aura_init.h"
 
 #if defined(OS_CHROMEOS)
 #include "ash/common/system/chromeos/power/power_status.h"
@@ skipping 168 matching lines @@
     RootWindowController* controller) {
   // TODO(msw): this isn't right, ownership should belong in WindowManager
   // and/or RootWindowController. But this is temporary until we get rid of
   // sysui.
   shelf_layout_.reset();
   user_window_controller_.reset();
 }
 
 }  // namespace mus
 }  // namespace ash