1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
base / trace_event / base_tracing_forward.h [blame]
// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef BASE_TRACE_EVENT_BASE_TRACING_FORWARD_H_
#define BASE_TRACE_EVENT_BASE_TRACING_FORWARD_H_
// This header is a wrapper around perfetto's traced_value_forward.h that
// handles Chromium's ENABLE_BASE_TRACING buildflag.
#include "base/tracing_buildflags.h"
#if BUILDFLAG(ENABLE_BASE_TRACING)
#include "third_party/perfetto/include/perfetto/tracing/traced_value_forward.h" // nogncheck
#else
namespace perfetto {
class TracedValue;
template <typename T>
void WriteIntoTracedValue(TracedValue context, T&& value);
template <typename T, class = void>
struct TraceFormatTraits;
template <typename T, typename ResultType = void, class = void>
struct check_traced_value_support {
static constexpr bool value = true;
using type = ResultType;
};
} // namespace perfetto
#endif // !BUILDFLAG(ENABLE_BASE_TRACING)
#endif // BASE_TRACE_EVENT_BASE_TRACING_FORWARD_H_