Upstream most of ios/web/net

ios/net/request_tracker.mm

 // Copyright 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 "ios/net/request_tracker.h"
 
 #include "base/logging.h"
 #import "ios/net/clients/crn_forwarding_network_client.h"
 #import "ios/net/clients/crn_forwarding_network_client_factory.h"
 
@@ skipping 48 matching lines @@
   base::ThreadChecker thread_checker_;
 
   static GlobalNetworkClientFactories* g_global_network_client_factories;
 };
 
 GlobalNetworkClientFactories*
     GlobalNetworkClientFactories::g_global_network_client_factories = nullptr;
 
 }  // namespace
 
+RequestTracker::RequestTrackerFactory::~RequestTrackerFactory() {
+}
+
 // static
 void RequestTracker::SetRequestTrackerFactory(RequestTrackerFactory* factory) {
   g_request_tracker_factory = factory;
 }
 
 // static
 bool RequestTracker::GetRequestTracker(NSURLRequest* request,
                                        base::WeakPtr<RequestTracker>* tracker) {
   DCHECK(request);
   DCHECK(tracker);
@@ skipping 132 matching lines @@
   DCHECK(thread_checker_.CalledOnValidThread());
   return cache_mode_;
 }
 
 void RequestTracker::SetCacheMode(RequestTracker::CacheMode mode) {
   DCHECK(thread_checker_.CalledOnValidThread());
   cache_mode_ = mode;
 }
 
 }  // namespace net