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| 1 // Copyright 2017 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/page_load_metrics/observers/ads_detection.h" |
| 6 |
| 7 #include "base/strings/string_util.h" |
| 8 #include "url/gurl.h" |
| 9 |
| 10 bool IsAdFrame(base::StringPiece frame_name, const GURL& frame_url) { |
| 11 // Google ads are prevalent and easy to track, so we'll start by tracking |
| 12 // those. Note that the frame name can be very large, so be careful to avoid |
| 13 // full string searches if possible. |
| 14 // TODO(jkarlin): Track other ad networks that are easy to identify. |
| 15 |
| 16 if (base::StartsWith(frame_name, "google_ads_iframe", |
| 17 base::CompareCase::SENSITIVE) || |
| 18 base::StartsWith(frame_name, "google_ads_frame", |
| 19 base::CompareCase::SENSITIVE)) { |
| 20 return true; |
| 21 } |
| 22 |
| 23 if (frame_url.host_piece() == "tpc.googlesyndication.com" && |
| 24 base::StartsWith(frame_url.path_piece(), "/safeframe", |
| 25 base::CompareCase::SENSITIVE)) { |
| 26 return true; |
| 27 } |
| 28 |
| 29 return false; |
| 30 } |
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