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// Copyright 2014 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 THIRD_PARTY_BLINK_RENDERER_PLATFORM_INSTRUMENTATION_TRACING_TRACED_VALUE_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_INSTRUMENTATION_TRACING_TRACED_VALUE_H_
#include <memory>
#include <string>
#include "base/macros.h"
#include "base/trace_event/traced_value.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
namespace blink {
// Thin wrapper around base::trace_event::TracedValue.
class PLATFORM_EXPORT TracedValue
: public base::trace_event::ConvertableToTraceFormat {
public:
TracedValue();
~TracedValue() override;
void EndDictionary();
void EndArray();
void SetInteger(const char* name, int value);
void SetDouble(const char* name, double value);
void SetBoolean(const char* name, bool value);
void SetString(const char* name, const String& value);
void SetValue(const char* name, TracedValue* value);
void BeginArray(const char* name);
void BeginDictionary(const char* name);
void SetIntegerWithCopiedName(const char* name, int value);
void SetDoubleWithCopiedName(const char* name, double value);
void SetBooleanWithCopiedName(const char* name, bool value);
void SetStringWithCopiedName(const char* name, const String& value);
void BeginArrayWithCopiedName(const char* name);
void BeginDictionaryWithCopiedName(const char* name);
void PushInteger(int);
void PushDouble(double);
void PushBoolean(bool);
void PushString(const String&);
void BeginArray();
void BeginDictionary();
protected:
explicit TracedValue(
std::unique_ptr<base::trace_event::TracedValue> traced_value)
: traced_value_(std::move(traced_value)) {}
std::unique_ptr<base::trace_event::TracedValue> traced_value_;
private:
// ConvertableToTraceFormat
void AppendAsTraceFormat(std::string*) const final;
bool AppendToProto(ProtoAppender* appender) final;
void EstimateTraceMemoryOverhead(
base::trace_event::TraceEventMemoryOverhead*) final;
DISALLOW_COPY_AND_ASSIGN(TracedValue);
};
// Thin wrapper around base::trace_event::TracedValueJSON.
class PLATFORM_EXPORT TracedValueJSON final : public TracedValue {
public:
TracedValueJSON();
~TracedValueJSON() final;
String ToJSON() const;
String ToFormattedJSON() const;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_INSTRUMENTATION_TRACING_TRACED_VALUE_H_
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