Move //mojo/services tracing & catalog to //services

mojo/services/tracing/public/cpp/trace_provider_impl.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 MOJO_SERVICES_TRACING_PUBLIC_CPP_TRACE_PROVIDER_IMPL_H_
-#define MOJO_SERVICES_TRACING_PUBLIC_CPP_TRACE_PROVIDER_IMPL_H_
-
-#include "base/macros.h"
-#include "base/memory/ref_counted_memory.h"
-#include "base/memory/weak_ptr.h"
-#include "mojo/public/cpp/bindings/binding.h"
-#include "mojo/public/cpp/bindings/interface_request.h"
-#include "mojo/services/tracing/public/interfaces/tracing.mojom.h"
-
-namespace mojo {
-
-class TraceProviderImpl : public tracing::TraceProvider {
- public:
-  TraceProviderImpl();
-  ~TraceProviderImpl() override;
-
-  void Bind(InterfaceRequest<tracing::TraceProvider> request);
-
-  // Enable tracing without waiting for an inbound connection. It will stop if
-  // no TraceRecorder is sent within a set time.
-  void ForceEnableTracing();
-
- private:
-  // tracing::TraceProvider implementation:
-  void StartTracing(const String& categories,
-                    tracing::TraceRecorderPtr recorder) override;
-  void StopTracing() override;
-
-  void SendChunk(const scoped_refptr<base::RefCountedString>& events_str,
-                 bool has_more_events);
-
-  void DelayedStop();
-  // Stop the collection of traces if no external connection asked for them yet.
-  void StopIfForced();
-
-  Binding<tracing::TraceProvider> binding_;
-  bool tracing_forced_;
-  tracing::TraceRecorderPtr recorder_;
-
-  base::WeakPtrFactory<TraceProviderImpl> weak_factory_;
-  DISALLOW_COPY_AND_ASSIGN(TraceProviderImpl);
-};
-
-}  // namespace mojo
-
-#endif  // MOJO_SERVICES_TRACING_PUBLIC_CPP_TRACE_PROVIDER_IMPL_H_