chromium/content/web_test/browser/leak_detector.cc

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/web_test/browser/leak_detector.h"

#include <utility>

#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/json/json_writer.h"
#include "base/values.h"
#include "content/public/browser/render_process_host.h"

namespace content {

// The initial states of the DOM objects at about:blank. The four nodes are a
// Document, a HTML, a HEAD and a BODY.
//
// TODO(hajimehoshi): Now these are hard-corded. If we add a target to count
// objects like RefCounted whose initial state is diffcult to estimate, we stop
// using hard-coded values. Instead, we need to load about:blank ahead of the
// web tests actually and initialize LeakDetector by the got values.
const int kInitialNumberOfLiveAudioNodes = …;
const int kInitialNumberOfLiveDocuments = …;
const int kInitialNumberOfLiveNodes = …;
const int kInitialNumberOfLiveLayoutObjects = …;
const int kInitialNumberOfLiveResources = …;
const int kInitialNumberOfLiveFrames = …;
const int kInitialNumberOfWorkerGlobalScopes = …;
const int kInitialNumberOfLiveResourceFetchers = …;
// Each Document has a ScriptRunner and a ScriptedAnimationController,
// which are ContextLifecycleStateObservers.
const int kInitialNumberOfLiveContextLifecycleStateObservers = …;

// This includes not only about:blank's context but also ScriptRegexp (e.g.
// created by isValidEmailAddress in EmailInputType.cpp). The leak detector
// always creates the latter to stabilize the number of V8PerContextData
// objects.
const int kInitialNumberOfV8PerContextData = …;

LeakDetector::LeakDetector() { … }

LeakDetector::~LeakDetector() { … }

void LeakDetector::TryLeakDetection(RenderProcessHost* process,
                                    ReportCallback callback) { … }

void LeakDetector::OnLeakDetectionComplete(
    blink::mojom::LeakDetectionResultPtr result) { … }

void LeakDetector::OnLeakDetectorIsGone() { … }

}  // namespace content