1// Copyright 2014 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "chrome/browser/prefetch/prefetch.h"
6
7#include <string>
8
9#include "base/metrics/field_trial.h"
10#include "base/strings/string_util.h"
11#include "chrome/browser/net/prediction_options.h"
12#include "chrome/browser/prefetch/prefetch_field_trial.h"
13#include "chrome/browser/profiles/profile_io_data.h"
14#include "net/base/network_change_notifier.h"
15
16namespace prefetch {
17
18bool IsPrefetchEnabled(content::ResourceContext* resource_context) {
19  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
20
21  ProfileIOData* io_data = ProfileIOData::FromResourceContext(resource_context);
22  return chrome_browser_net::CanPrefetchAndPrerenderIO(io_data) &&
23         !DisableForFieldTrial();
24}
25
26}  // namespace prefetch
27