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// Copyright 2016 the V8 project 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 V8_TRACING_TRACING_CATEGORY_OBSERVER_H_
#define V8_TRACING_TRACING_CATEGORY_OBSERVER_H_
#include "include/v8-platform.h"
namespace v8 {
namespace tracing {
class TracingCategoryObserver : public TracingController::TraceStateObserver {
public:
enum Mode {
ENABLED_BY_NATIVE = 1 << 0,
ENABLED_BY_TRACING = 1 << 1,
ENABLED_BY_SAMPLING = 1 << 2,
};
static void SetUp();
static void TearDown();
// v8::TracingController::TraceStateObserver
void OnTraceEnabled() final;
void OnTraceDisabled() final;
private:
static TracingCategoryObserver* instance_;
};
} // namespace tracing
} // namespace v8
#endif // V8_TRACING_TRACING_CATEGORY_OBSERVER_H_
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