Revert 282546 "Enforce SafetyMode for YouTube if prefs::kForceSa..."

trunk/src/chrome/browser/net/safe_search_util.h

-// 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.
-
-#ifndef CHROME_BROWSER_NET_SAFE_SEARCH_UTIL_H_
-#define CHROME_BROWSER_NET_SAFE_SEARCH_UTIL_H_
-
-class GURL;
-
-namespace net {
-class HttpRequestHeaders;
-class URLRequest;
-}
-
-namespace safe_search_util {
-
-// If |request| is a request to Google Web Search, enforces that the SafeSearch
-// query parameters are set to active. Sets |new_url| to a copy of the request
-// url in which the query part contains the new values of the parameters.
-void ForceGoogleSafeSearch(const net::URLRequest* request, GURL* new_url);
-
-// If |request| is a request to YouTube, enforces YouTube's Safety Mode by
-// adding/modifying YouTube's PrefCookie header.
-void ForceYouTubeSafetyMode(const net::URLRequest* request,
-                            net::HttpRequestHeaders* headers);
-
-}  // namespace safe_search_util
-
-#endif  // CHROME_BROWSER_NET_SAFE_SEARCH_UTIL_H_