Update from https://crrev.com/304121

net/url_request/url_request_job_manager.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 "net/url_request/url_request_job_manager.h"
 
 #include <algorithm>
 
 #include "base/memory/singleton.h"
 #include "build/build_config.h"
@@ skipping 110 matching lines @@
     return NULL;
 
   InterceptorList::const_iterator i;
   for (i = interceptors_.begin(); i != interceptors_.end(); ++i) {
     URLRequestJob* job = (*i)->MaybeInterceptRedirect(request,
                                                       network_delegate,
                                                       location);
     if (job)
       return job;
   }
+
+  URLRequestJob* job =
+      request->context()->job_factory()->MaybeInterceptRedirect(
+          request, network_delegate, location);
+  if (job)
+    return job;
+
   return NULL;
 }
 
 URLRequestJob* URLRequestJobManager::MaybeInterceptResponse(
     URLRequest* request, NetworkDelegate* network_delegate) const {
   DCHECK(IsAllowedThread());
   if (!request->url().is_valid() ||
       request->load_flags() & LOAD_DISABLE_INTERCEPT ||
       request->status().status() == URLRequestStatus::CANCELED) {
     return NULL;
   }
 
   const URLRequestJobFactory* job_factory = NULL;
   job_factory = request->context()->job_factory();
 
   const std::string& scheme = request->url().scheme();  // already lowercase
   if (!job_factory->IsHandledProtocol(scheme))
     return NULL;
 
   InterceptorList::const_iterator i;
   for (i = interceptors_.begin(); i != interceptors_.end(); ++i) {
     URLRequestJob* job = (*i)->MaybeInterceptResponse(request,
                                                       network_delegate);
     if (job)
       return job;
   }
+
+  URLRequestJob* job =
+      request->context()->job_factory()->MaybeInterceptResponse(
+          request, network_delegate);
+  if (job)
+    return job;
+
   return NULL;
 }
 
 // static
 bool URLRequestJobManager::SupportsScheme(const std::string& scheme) {
   for (size_t i = 0; i < arraysize(kBuiltinFactories); ++i) {
     if (LowerCaseEqualsASCII(scheme, kBuiltinFactories[i].scheme))
       return true;
   }
 
@@ skipping 24 matching lines @@
 }
 
 URLRequestJobManager::URLRequestJobManager()
     : allowed_thread_(0),
       allowed_thread_initialized_(false) {
 }
 
 URLRequestJobManager::~URLRequestJobManager() {}
 
 }  // namespace net