Componentize safe_browsing: move threat_details* to component.

chrome/browser/safe_browsing/threat_details_history.cc

-// 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.
-//
-// Implementation of the ThreatDetailsRedirectsCollector class.
-
-#include "chrome/browser/safe_browsing/threat_details_history.h"
-
-#include <stddef.h>
-
-#include "base/bind.h"
-#include "base/bind_helpers.h"
-#include "chrome/browser/safe_browsing/threat_details.h"
-#include "components/history/core/browser/history_service.h"
-#include "content/public/browser/browser_thread.h"
-#include "content/public/browser/notification_details.h"
-#include "content/public/browser/notification_source.h"
-
-using content::BrowserThread;
-
-namespace safe_browsing {
-
-ThreatDetailsRedirectsCollector::ThreatDetailsRedirectsCollector(
-    const base::WeakPtr<history::HistoryService>& history_service)
-    : has_started_(false),
-      history_service_(history_service),
-      history_service_observer_(this) {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-
-  if (history_service) {
-    history_service_observer_.Add(history_service.get());
-  }
-}
-
-void ThreatDetailsRedirectsCollector::StartHistoryCollection(
-    const std::vector<GURL>& urls,
-    const base::Closure& callback) {
-  DVLOG(1) << "Num of urls to check in history service: " << urls.size();
-  has_started_ = true;
-  callback_ = callback;
-
-  if (urls.size() == 0) {
-    AllDone();
-    return;
-  }
-
-  BrowserThread::PostTask(
-      BrowserThread::UI, FROM_HERE,
-      base::BindOnce(&ThreatDetailsRedirectsCollector::StartGetRedirects, this,
-                     urls));
-}
-
-bool ThreatDetailsRedirectsCollector::HasStarted() const {
-  return has_started_;
-}
-
-const std::vector<RedirectChain>&
-ThreatDetailsRedirectsCollector::GetCollectedUrls() const {
-  return redirects_urls_;
-}
-
-ThreatDetailsRedirectsCollector::~ThreatDetailsRedirectsCollector() {}
-
-void ThreatDetailsRedirectsCollector::StartGetRedirects(
-    const std::vector<GURL>& urls) {
-  // History access from profile needs to happen in UI thread
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  for (size_t i = 0; i < urls.size(); ++i) {
-    urls_.push_back(urls[i]);
-  }
-  urls_it_ = urls_.begin();
-  GetRedirects(*urls_it_);
-}
-
-void ThreatDetailsRedirectsCollector::GetRedirects(const GURL& url) {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-
-  if (!history_service_) {
-    AllDone();
-    return;
-  }
-
-  history_service_->QueryRedirectsTo(
-      url,
-      base::Bind(&ThreatDetailsRedirectsCollector::OnGotQueryRedirectsTo,
-                 base::Unretained(this), url),
-      &request_tracker_);
-}
-
-void ThreatDetailsRedirectsCollector::OnGotQueryRedirectsTo(
-    const GURL& url,
-    const history::RedirectList* redirect_list) {
-  if (!redirect_list->empty()) {
-    std::vector<GURL> urllist;
-    urllist.push_back(url);
-    urllist.insert(urllist.end(), redirect_list->begin(), redirect_list->end());
-    redirects_urls_.push_back(urllist);
-  }
-
-  // Proceed to next url
-  ++urls_it_;
-
-  if (urls_it_ == urls_.end()) {
-    AllDone();
-    return;
-  }
-
-  GetRedirects(*urls_it_);
-}
-
-void ThreatDetailsRedirectsCollector::AllDone() {
-  DVLOG(1) << "AllDone";
-  BrowserThread::PostTask(BrowserThread::IO, FROM_HERE, callback_);
-  callback_.Reset();
-}
-
-void ThreatDetailsRedirectsCollector::HistoryServiceBeingDeleted(
-    history::HistoryService* history_service) {
-  history_service_observer_.Remove(history_service);
-  history_service_.reset();
-}
-
-}  // namespace safe_browsing