Use TraceProviderRegistry in //services/dart/dart_tracing.*.

services/dart/dart_tracing.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 SERVICES_DART_DART_TRACING_H_
 #define SERVICES_DART_DART_TRACING_H_
 
 #include "base/trace_event/trace_event.h"
 #include "mojo/common/tracing_impl.h"
-#include "mojo/public/cpp/application/service_provider_impl.h"
 #include "mojo/public/cpp/bindings/interface_request.h"
 #include "mojo/services/tracing/interfaces/tracing.mojom.h"
 
 namespace dart {
 
 class DartTimelineController {
  public:
   static void Enable(const mojo::String& categories);
   static void EnableAll();
   static void Disable();
@@ skipping 14 matching lines @@
   void StopTracing() override;
 
   void SplitAndRecord(char* data, size_t length);
 
   mojo::Binding<tracing::TraceProvider> binding_;
   tracing::TraceRecorderPtr recorder_;
 
   DISALLOW_COPY_AND_ASSIGN(DartTraceProvider);
 };
 
-class DartTracingImpl :
-    public mojo::InterfaceFactory<tracing::TraceProvider> {
+class DartTracingImpl {
  public:
-   DartTracingImpl();
-   ~DartTracingImpl() override;
+  DartTracingImpl();
+  ~DartTracingImpl();
 
-   // This connects to the tracing service and registers ourselves to provide
-   // tracing data on demand.
-   void Initialize(mojo::ApplicationImpl* app);
+  // This connects to the tracing service and registers ourselves to provide
+  // tracing data on demand.
+  void Initialize(mojo::ApplicationImpl* app);
 
-  private:
-   // InterfaceFactory<tracing::TraceProvider> implementation.
-   void Create(mojo::ApplicationConnection* connection,
-               mojo::InterfaceRequest<tracing::TraceProvider> request) override;
  private:
-  // Used to provide services *to* mojo:tracing.
-  mojo::ServiceProviderImpl outgoing_sp_for_tracing_service_;
-
   DartTraceProvider provider_impl_;
 
   DISALLOW_COPY_AND_ASSIGN(DartTracingImpl);
 };
 
 }  // namespace dart
 
 #endif  // SERVICES_DART_DART_TRACING_H_