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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_