Revert of Apply Referrer-Policy header when following redirects

chrome/browser/profiles/profile_io_data.cc

 // Copyright (c) 2012 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/profiles/profile_io_data.h"
 
 #include <stddef.h>
 
 #include <string>
 #include <utility>
@@ skipping 62 matching lines @@
 #include "components/policy/core/common/cloud/policy_header_service.h"
 #include "components/policy/core/common/cloud/user_cloud_policy_manager.h"
 #include "components/prefs/pref_service.h"
 #include "components/signin/core/common/signin_pref_names.h"
 #include "components/sync_driver/pref_names.h"
 #include "components/url_formatter/url_fixer.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/host_zoom_map.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/resource_context.h"
-#include "content/public/common/content_switches.h"
 #include "net/base/keygen_handler.h"
 #include "net/cert/cert_verifier.h"
 #include "net/cert/ct_log_verifier.h"
 #include "net/cert/multi_log_ct_verifier.h"
 #include "net/cookies/canonical_cookie.h"
 #include "net/http/http_network_session.h"
 #include "net/http/http_transaction_factory.h"
 #include "net/http/http_util.h"
 #include "net/http/transport_security_persister.h"
 #include "net/nqe/network_quality_estimator.h"
@@ skipping 929 matching lines @@
   IOThread::Globals* const io_thread_globals = io_thread->globals();
   const base::CommandLine& command_line =
       *base::CommandLine::ForCurrentProcess();
 
   // Create the common request contexts.
   main_request_context_.reset(new net::URLRequestContext());
   extensions_request_context_.reset(new net::URLRequestContext());
 
   main_request_context_->set_enable_brotli(io_thread_globals->enable_brotli);
 
-  // TODO(estark): Remove this once the Referrer-Policy header is no
-  // longer an experimental feature. https://crbug.com/619228
-  main_request_context_->set_enable_referrer_policy_header(
-      command_line.HasSwitch(switches::kEnableExperimentalWebPlatformFeatures));
-
   std::unique_ptr<ChromeNetworkDelegate> network_delegate(
       new ChromeNetworkDelegate(
 #if defined(ENABLE_EXTENSIONS)
           io_thread_globals->extension_event_router_forwarder.get(),
 #else
           NULL,
 #endif
           &enable_referrers_, io_thread->GetMetricsDataUseForwarder()));
 #if defined(ENABLE_EXTENSIONS)
   network_delegate->set_extension_info_map(
@@ skipping 313 matching lines @@
 void ProfileIOData::SetCookieSettingsForTesting(
     content_settings::CookieSettings* cookie_settings) {
   DCHECK(!cookie_settings_.get());
   cookie_settings_ = cookie_settings;
 }
 
 policy::URLBlacklist::URLBlacklistState ProfileIOData::GetURLBlacklistState(
     const GURL& url) const {
   return url_blacklist_manager_->GetURLBlacklistState(url);
 }