chromium/chrome/browser/resource_coordinator/tab_memory_metrics_reporter.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/40285824): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif

#include "chrome/browser/resource_coordinator/tab_memory_metrics_reporter.h"

#include <cstdint>
#include <memory>

#include "base/process/process.h"
#include "base/time/time.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/metrics/process_memory_metrics_emitter.h"
#include "chrome/browser/resource_coordinator/tab_load_tracker.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/web_contents.h"

namespace resource_coordinator {

TabMemoryMetricsReporter::TabMemoryMetricsReporter() = default;

TabMemoryMetricsReporter::~TabMemoryMetricsReporter() = default;

TabMemoryMetricsReporter::TabMemoryMetricsReporter(
    const base::TickClock* tick_clock)
    : … { … }

void TabMemoryMetricsReporter::StartReporting(TabLoadTracker* tracker) { … }

void TabMemoryMetricsReporter::OnStartTracking(
    content::WebContents* web_contents,
    TabLoadTracker::LoadingState loading_state) { … }

void TabMemoryMetricsReporter::OnLoadingStateChange(
    content::WebContents* web_contents,
    TabLoadTracker::LoadingState old_loading_state,
    LoadingState new_loading_state) { … }

void TabMemoryMetricsReporter::RemoveWebContentsDataFromMonitoredListIfExists(
    content::WebContents* web_contents) { … }

void TabMemoryMetricsReporter::MonitorWebContents(
    content::WebContents* web_contents) { … }

void TabMemoryMetricsReporter::OnStopTracking(
    content::WebContents* web_contents,
    TabLoadTracker::LoadingState loading_state) { … }

void TabMemoryMetricsReporter::UpdateTimerCallback() { … }

void TabMemoryMetricsReporter::RestartTimerIfNeeded(
    base::TimeTicks current_time) { … }

bool TabMemoryMetricsReporter::EmitMemoryMetricsAfterPageLoaded(
    const TabMemoryMetricsReporter::WebContentsData& content_data) { … }

base::TimeDelta TabMemoryMetricsReporter::NextEmitTimeAfterPageLoaded(
    TabMemoryMetricsReporter::ReportState state) { … }

TabMemoryMetricsReporter::ReportState
TabMemoryMetricsReporter::NextStateOfEmitMemoryDumpAfterPageLoaded(
    base::TimeDelta time_passed) { … }

bool TabMemoryMetricsReporter::WebContentsDataComparator::operator()(
    const WebContentsData& a,
    const WebContentsData& b) const { … }

}  // namespace resource_coordinator