Update monet.

mojo/common/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_COMMON_TRACE_PROVIDER_IMPL_H_
+#define MOJO_COMMON_TRACE_PROVIDER_IMPL_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/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,
+      mojo::InterfaceHandle<tracing::TraceRecorder> 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_COMMON_TRACE_PROVIDER_IMPL_H_