chromium/content/browser/metrics/histograms_internals_ui.cc

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/342213636): Remove this and spanify to fix the errors.
#pragma allow_unsafe_buffers
#endif

#include "content/browser/metrics/histograms_internals_ui.h"

#include <stddef.h>

#include <memory>
#include <string>
#include <utility>

#include "base/functional/bind.h"
#include "base/metrics/histogram.h"
#include "base/metrics/statistics_recorder.h"
#include "base/values.h"
#include "content/browser/metrics/histogram_synchronizer.h"
#include "content/browser/metrics/histograms_monitor.h"
#include "content/grit/histograms_resources.h"
#include "content/grit/histograms_resources_map.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_ui.h"
#include "content/public/browser/web_ui_data_source.h"
#include "content/public/browser/web_ui_message_handler.h"
#include "content/public/common/content_client.h"
#include "content/public/common/url_constants.h"
#include "services/network/public/mojom/content_security_policy.mojom.h"

namespace content {
namespace {

const char kHistogramsUIRequestHistograms[] = …;
const char kHistogramsUIStartMonitoring[] = …;
const char kHistogramsUIFetchDiff[] = …;

// Stores the information received from Javascript side.
struct JsParams { … };

void CreateAndAddHistogramsHTMLSource(BrowserContext* browser_context) { … }

// This class receives javascript messages from the renderer.
// Note that the WebUI infrastructure runs on the UI thread, therefore all of
// this class's methods are expected to run on the UI thread.
class HistogramsMessageHandler : public WebUIMessageHandler { … };

HistogramsMessageHandler::HistogramsMessageHandler() = default;

HistogramsMessageHandler::~HistogramsMessageHandler() = default;

JsParams HistogramsMessageHandler::AllowJavascriptAndUnpackParams(
    const base::Value::List& args_list) { … }

void HistogramsMessageHandler::ImportHistograms(bool include_subprocesses) { … }

void HistogramsMessageHandler::HandleRequestHistograms(
    const base::Value::List& args) { … }

void HistogramsMessageHandler::HandleStartMoninoring(
    const base::Value::List& args) { … }

void HistogramsMessageHandler::HandleFetchDiff(const base::Value::List& args) { … }

void HistogramsMessageHandler::RegisterMessages() { … }

}  // namespace

HistogramsInternalsUI::HistogramsInternalsUI(WebUI* web_ui)
    : … { … }

}  // namespace content