47 lines
1.1 KiB
C++
47 lines
1.1 KiB
C++
// Copyright 2021 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_TRACE_EVENT_BASE_TRACING_FORWARD_H_
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#define BASE_TRACE_EVENT_BASE_TRACING_FORWARD_H_
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// Proxy header that provides //base code access to forward-declarations for
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// classes and functions defined in base_tracing.h.
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#include "base/tracing_buildflags.h"
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#if BUILDFLAG(ENABLE_BASE_TRACING)
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#include "third_party/perfetto/include/perfetto/tracing/traced_value_forward.h" // nogncheck
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#else
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namespace perfetto {
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class TracedValue;
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template <typename T>
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void WriteIntoTracedValue(TracedValue context, T&& value);
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template <typename T, class = void>
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struct TraceFormatTraits;
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template <typename T, typename ResultType = void, class = void>
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struct check_traced_value_support {
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static constexpr bool value = true;
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using type = ResultType;
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};
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} // namespace perfetto
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#endif // !BUILDFLAG(ENABLE_BASE_TRACING)
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namespace base {
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namespace trace_event {
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class ConvertableToTraceFormat;
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class TracedValue;
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} // namespace trace_event
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} // namespace base
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#endif // BASE_TRACE_EVENT_BASE_TRACING_FORWARD_H_
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