Eliminate BaseSessionServiceDelegateImpl

chrome/browser/sessions/base_session_service_delegate_impl.cc

-// Copyright 2014 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/sessions/base_session_service_delegate_impl.h"
-
-#include "chrome/common/url_constants.h"
-#include "content/public/browser/browser_thread.h"
-#include "url/gurl.h"
-
-BaseSessionServiceDelegateImpl::BaseSessionServiceDelegateImpl(
-    bool should_use_delayed_save)
-      : should_use_delayed_save_(should_use_delayed_save) {}
-
-base::SequencedWorkerPool* BaseSessionServiceDelegateImpl::GetBlockingPool() {
-  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
-  return content::BrowserThread::GetBlockingPool();
-}
-
-bool BaseSessionServiceDelegateImpl::ShouldTrackEntry(const GURL& url) {
-  // Blacklist chrome://quit and chrome://restart to avoid quit or restart
-  // loops.
-  return url.is_valid() &&
-         !(url.SchemeIs(content::kChromeUIScheme) &&
-          (url.host() == chrome::kChromeUIQuitHost ||
-           url.host() == chrome::kChromeUIRestartHost));
-}
-
-bool BaseSessionServiceDelegateImpl::ShouldUseDelayedSave() {
-  return should_use_delayed_save_;
-}