chromium/chrome/browser/sessions/session_restore_stats_collector.cc

// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "chrome/browser/sessions/session_restore_stats_collector.h"

#include <string>

#include "base/metrics/histogram_macros.h"
#include "base/strings/stringprintf.h"
#include "content/public/browser/render_widget_host_view.h"
#include "content/public/browser/web_contents.h"

namespace {

RenderWidgetHost;
RenderWidgetHostView;
WebContents;

SessionRestoreStatsCollector* g_instance = …;

// Returns the RenderWidgetHost associated with a WebContents.
RenderWidgetHost* GetRenderWidgetHost(WebContents* web_contents) { … }

}  // namespace

SessionRestoreStatsCollector::TabLoaderStats::TabLoaderStats()
    : … { … }

SessionRestoreStatsCollector::SessionRestoreStatsCollector(
    const base::TimeTicks& restore_started,
    std::unique_ptr<StatsReportingDelegate> reporting_delegate)
    : … { … }

SessionRestoreStatsCollector::~SessionRestoreStatsCollector() { … }

// static
SessionRestoreStatsCollector* SessionRestoreStatsCollector::GetOrCreateInstance(
    base::TimeTicks restore_started,
    std::unique_ptr<StatsReportingDelegate> reporting_delegate) { … }

void SessionRestoreStatsCollector::TrackTabs(
    const std::vector<SessionRestoreDelegate::RestoredTab>& tabs) { … }

void SessionRestoreStatsCollector::RenderWidgetHostVisibilityChanged(
    content::RenderWidgetHost* widget_host,
    bool became_visible) { … }

void SessionRestoreStatsCollector::RenderWidgetHostDidUpdateVisualProperties(
    content::RenderWidgetHost* widget_host) { … }

void SessionRestoreStatsCollector::RenderWidgetHostDestroyed(
    content::RenderWidgetHost* widget_host) { … }

void SessionRestoreStatsCollector::RegisterObserverForTab(WebContents* tab) { … }

void SessionRestoreStatsCollector::ReportStatsAndSelfDestroy() { … }

SessionRestoreStatsCollector::UmaStatsReportingDelegate::
    UmaStatsReportingDelegate() = default;

void SessionRestoreStatsCollector::UmaStatsReportingDelegate::
    ReportTabLoaderStats(const TabLoaderStats& tab_loader_stats) { … }