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// Copyright (c) 2012 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 CONTENT_BROWSER_HISTOGRAM_MESSAGE_FILTER_H_
#define CONTENT_BROWSER_HISTOGRAM_MESSAGE_FILTER_H_
#include <string>
#include <vector>
#include "content/public/browser/browser_message_filter.h"
#include "content/public/common/process_type.h"
namespace content {
// This class sends and receives histogram messages in the browser process.
class HistogramMessageFilter : public BrowserMessageFilter {
public:
HistogramMessageFilter();
// BrowserMessageFilter implementation.
bool OnMessageReceived(const IPC::Message& message) override;
private:
~HistogramMessageFilter() override;
// Message handlers.
void OnChildHistogramData(int sequence_number,
const std::vector<std::string>& pickled_histograms);
void OnGetBrowserHistogram(const std::string& name,
std::string* histogram_json);
DISALLOW_COPY_AND_ASSIGN(HistogramMessageFilter);
};
} // namespace content
#endif // CONTENT_BROWSER_HISTOGRAM_MESSAGE_FILTER_H_
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