Move counters for passwords, history and autofill to components

chrome/browser/browsing_data/passwords_counter.cc

-// Copyright (c) 2015 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.
-
-#include "chrome/browser/browsing_data/passwords_counter.h"
-#include "chrome/browser/password_manager/password_store_factory.h"
-#include "chrome/browser/profiles/profile.h"
-#include "components/browsing_data/core/pref_names.h"
-#include "components/password_manager/core/browser/password_store.h"
-
-PasswordsCounter::PasswordsCounter(Profile* profile)
-    : BrowsingDataCounter(browsing_data::prefs::kDeletePasswords),
-      profile_(profile) {}
-
-PasswordsCounter::~PasswordsCounter() {
-  store_->RemoveObserver(this);
-}
-
-void PasswordsCounter::OnInitialized() {
-  store_ = PasswordStoreFactory::GetForProfile(
-      profile_, ServiceAccessType::EXPLICIT_ACCESS);
-  DCHECK(store_);
-  store_->AddObserver(this);
-}
-
-void PasswordsCounter::Count() {
-  cancelable_task_tracker()->TryCancelAll();
-  // TODO(msramek): We don't actually need the logins themselves, just their
-  // count. Consider implementing |PasswordStore::CountAutofillableLogins|.
-  // This custom request should also allow us to specify the time range, so that
-  // we can use it to filter the login creation date in the database.
-  store_->GetAutofillableLogins(this);
-}
-
-void PasswordsCounter::OnGetPasswordStoreResults(
-    ScopedVector<autofill::PasswordForm> results) {
-  base::Time start = GetPeriodStart();
-  ReportResult(std::count_if(
-      results.begin(),
-      results.end(),
-      [start](const autofill::PasswordForm* form) {
-        return form->date_created >= start;
-      }));
-}
-
-void PasswordsCounter::OnLoginsChanged(
-    const password_manager::PasswordStoreChangeList& changes) {
-  Restart();
-}