Delete the tracing service

services/ui/service.h

 // 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.
 
 #ifndef SERVICES_UI_SERVICE_H_
 #define SERVICES_UI_SERVICE_H_
 
 #include <stdint.h>
 
 #include <map>
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
 #include "components/discardable_memory/public/interfaces/discardable_shared_memory_manager.mojom.h"
 #include "services/service_manager/public/cpp/binder_registry.h"
 #include "services/service_manager/public/cpp/interface_factory.h"
 #include "services/service_manager/public/cpp/service.h"
 #include "services/service_manager/public/cpp/service_runner.h"
-#include "services/tracing/public/cpp/provider.h"
 #include "services/ui/ime/ime_registrar_impl.h"
 #include "services/ui/ime/ime_server_impl.h"
 #include "services/ui/input_devices/input_device_server.h"
 #include "services/ui/public/interfaces/accessibility_manager.mojom.h"
 #include "services/ui/public/interfaces/clipboard.mojom.h"
 #include "services/ui/public/interfaces/display_manager.mojom.h"
 #include "services/ui/public/interfaces/gpu.mojom.h"
 #include "services/ui/public/interfaces/ime/ime.mojom.h"
 #include "services/ui/public/interfaces/user_access_manager.mojom.h"
 #include "services/ui/public/interfaces/user_activity_monitor.mojom.h"
@@ skipping 148 matching lines @@
   void Create(const service_manager::Identity& remote_identity,
               discardable_memory::mojom::DiscardableSharedMemoryManagerRequest
                   request) override;
 
   // service_manager::InterfaceFactory<mojom::WindowServerTest> implementation.
   void Create(const service_manager::Identity& remote_identity,
               mojom::WindowServerTestRequest request) override;
 
   std::unique_ptr<ws::WindowServer> window_server_;
   std::unique_ptr<ui::PlatformEventSource> event_source_;
-  tracing::Provider tracing_;
   using PendingRequests = std::vector<std::unique_ptr<PendingRequest>>;
   PendingRequests pending_requests_;
 
   UserIdToUserState user_id_to_user_state_;
 
   // Provides input-device information via Mojo IPC. Registers Mojo interfaces
   // and must outlive |registry_|.
   InputDeviceServer input_device_server_;
 
   bool test_config_;
@@ skipping 16 matching lines @@
   // Set to true in StartDisplayInit().
   bool is_gpu_ready_ = false;
   ScreenManagerConfig screen_manager_config_ = ScreenManagerConfig::UNKNOWN;
 
   DISALLOW_COPY_AND_ASSIGN(Service);
 };
 
 }  // namespace ui
 
 #endif  // SERVICES_UI_SERVICE_H_