mirror of
https://github.com/klzgrad/naiveproxy.git
synced 2024-11-24 22:36:09 +03:00
62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
|
// Copyright 2017 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 BASE_METRICS_DUMMY_HISTOGRAM_H_
|
||
|
|
#define BASE_METRICS_DUMMY_HISTOGRAM_H_
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
#include <memory>
|
||
|
|
#include <string>
|
||
|
|
|
||
|
|
#include "base/base_export.h"
|
||
|
|
#include "base/metrics/histogram_base.h"
|
||
|
|
#include "base/no_destructor.h"
|
||
|
|
|
||
|
|
namespace base {
|
||
|
|
|
||
|
|
// DummyHistogram is used for mocking histogram objects for histograms that
|
||
|
|
// shouldn't be recorded. It doesn't do any actual processing.
|
||
|
|
class BASE_EXPORT DummyHistogram : public HistogramBase {
|
||
|
|
public:
|
||
|
|
static DummyHistogram* GetInstance();
|
||
|
|
|
||
|
|
// HistogramBase:
|
||
|
|
void CheckName(const StringPiece& name) const override {}
|
||
|
|
uint64_t name_hash() const override;
|
||
|
|
HistogramType GetHistogramType() const override;
|
||
|
|
bool HasConstructionArguments(Sample expected_minimum,
|
||
|
|
Sample expected_maximum,
|
||
|
|
uint32_t expected_bucket_count) const override;
|
||
|
|
void Add(Sample value) override {}
|
||
|
|
void AddCount(Sample value, int count) override {}
|
||
|
|
void AddSamples(const HistogramSamples& samples) override {}
|
||
|
|
bool AddSamplesFromPickle(PickleIterator* iter) override;
|
||
|
|
std::unique_ptr<HistogramSamples> SnapshotSamples() const override;
|
||
|
|
std::unique_ptr<HistogramSamples> SnapshotDelta() override;
|
||
|
|
std::unique_ptr<HistogramSamples> SnapshotFinalDelta() const override;
|
||
|
|
void WriteHTMLGraph(std::string* output) const override {}
|
||
|
|
void WriteAscii(std::string* output) const override {}
|
||
|
|
|
||
|
|
protected:
|
||
|
|
// HistogramBase:
|
||
|
|
void SerializeInfoImpl(Pickle* pickle) const override {}
|
||
|
|
void GetParameters(DictionaryValue* params) const override {}
|
||
|
|
void GetCountAndBucketData(Count* count,
|
||
|
|
int64_t* sum,
|
||
|
|
ListValue* buckets) const override {}
|
||
|
|
|
||
|
|
private:
|
||
|
|
friend class NoDestructor<DummyHistogram>;
|
||
|
|
|
||
|
|
DummyHistogram() : HistogramBase("dummy_histogram") {}
|
||
|
|
~DummyHistogram() override {}
|
||
|
|
|
||
|
|
DISALLOW_COPY_AND_ASSIGN(DummyHistogram);
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace base
|
||
|
|
|
||
|
|
#endif // BASE_METRICS_DUMMY_HISTOGRAM_H_
|