arc: enable Android tracing from chrome://tracing in dev mode

components/arc/arc_bridge_service.h

 // 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.
 
 #ifndef COMPONENTS_ARC_ARC_BRIDGE_SERVICE_H_
 #define COMPONENTS_ARC_ARC_BRIDGE_SERVICE_H_
 
 #include "base/macros.h"
 #include "components/arc/instance_holder.h"
 
@@ skipping 18 matching lines @@
 class KioskInstance;
 class MetricsInstance;
 class NetInstance;
 class NotificationsInstance;
 class ObbMounterInstance;
 class PolicyInstance;
 class PowerInstance;
 class PrintInstance;
 class ProcessInstance;
 class StorageManagerInstance;
+class TracingInstance;
 class TtsInstance;
 class VideoInstance;
 class WallpaperInstance;
 
 }  // namespace mojom
 
 // Holds Mojo channels which proxy to ARC side implementation. The actual
 // instances are set/removed via ArcBridgeHostImpl.
 class ArcBridgeService {
  public:
@@ skipping 33 matching lines @@
   InstanceHolder<mojom::ObbMounterInstance>* obb_mounter() {
     return &obb_mounter_;
   }
   InstanceHolder<mojom::PolicyInstance>* policy() { return &policy_; }
   InstanceHolder<mojom::PowerInstance>* power() { return &power_; }
   InstanceHolder<mojom::PrintInstance>* print() { return &print_; }
   InstanceHolder<mojom::ProcessInstance>* process() { return &process_; }
   InstanceHolder<mojom::StorageManagerInstance>* storage_manager() {
     return &storage_manager_;
   }
+  InstanceHolder<mojom::TracingInstance>* tracing() { return &tracing_; }
   InstanceHolder<mojom::TtsInstance>* tts() { return &tts_; }
   InstanceHolder<mojom::VideoInstance>* video() { return &video_; }
   InstanceHolder<mojom::WallpaperInstance>* wallpaper() { return &wallpaper_; }
 
  private:
   InstanceHolder<mojom::AccessibilityHelperInstance> accessibility_helper_;
   InstanceHolder<mojom::AppInstance> app_;
   InstanceHolder<mojom::AudioInstance> audio_;
   InstanceHolder<mojom::AuthInstance> auth_;
   InstanceHolder<mojom::BluetoothInstance> bluetooth_;
   InstanceHolder<mojom::BootPhaseMonitorInstance> boot_phase_monitor_;
   InstanceHolder<mojom::ClipboardInstance> clipboard_;
   InstanceHolder<mojom::CrashCollectorInstance> crash_collector_;
   InstanceHolder<mojom::EnterpriseReportingInstance> enterprise_reporting_;
   InstanceHolder<mojom::FileSystemInstance> file_system_;
   InstanceHolder<mojom::ImeInstance> ime_;
   InstanceHolder<mojom::IntentHelperInstance> intent_helper_;
   InstanceHolder<mojom::KioskInstance> kiosk_;
   InstanceHolder<mojom::MetricsInstance> metrics_;
   InstanceHolder<mojom::NetInstance> net_;
   InstanceHolder<mojom::NotificationsInstance> notifications_;
   InstanceHolder<mojom::ObbMounterInstance> obb_mounter_;
   InstanceHolder<mojom::PolicyInstance> policy_;
   InstanceHolder<mojom::PowerInstance> power_;
   InstanceHolder<mojom::PrintInstance> print_;
   InstanceHolder<mojom::ProcessInstance> process_;
   InstanceHolder<mojom::StorageManagerInstance> storage_manager_;
+  InstanceHolder<mojom::TracingInstance> tracing_;
   InstanceHolder<mojom::TtsInstance> tts_;
   InstanceHolder<mojom::VideoInstance> video_;
   InstanceHolder<mojom::WallpaperInstance> wallpaper_;
 
   DISALLOW_COPY_AND_ASSIGN(ArcBridgeService);
 };
 
 }  // namespace arc
 
 #endif  // COMPONENTS_ARC_ARC_BRIDGE_SERVICE_H_