Introduce ERR_NETWORK_CHANGED and allow URLFetcher to automatically retry on that error.

net/url_request/url_fetcher_impl.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_fetcher_impl.h"
 
 #include "base/bind.h"
 #include "base/message_loop_proxy.h"
 #include "net/url_request/url_fetcher_core.h"
 #include "net/url_request/url_fetcher_factory.h"
@@ skipping 71 matching lines @@
 }
 
 void URLFetcherImpl::SetStopOnRedirect(bool stop_on_redirect) {
   core_->SetStopOnRedirect(stop_on_redirect);
 }
 
 void URLFetcherImpl::SetAutomaticallyRetryOn5xx(bool retry) {
   core_->SetAutomaticallyRetryOn5xx(retry);
 }
 
-void URLFetcherImpl::SetMaxRetries(int max_retries) {
-  core_->SetMaxRetries(max_retries);
+void URLFetcherImpl::SetMaxRetriesOn5xx(int max_retries) {
+  core_->SetMaxRetriesOn5xx(max_retries);
 }
 
-int URLFetcherImpl::GetMaxRetries() const {
-  return core_->GetMaxRetries();
+int URLFetcherImpl::GetMaxRetriesOn5xx() const {
+  return core_->GetMaxRetriesOn5xx();
 }
 
 
 base::TimeDelta URLFetcherImpl::GetBackoffDelay() const {
   return core_->GetBackoffDelay();
 }
 
+void URLFetcherImpl::SetAutomaticallyRetryOnNetworkChanges(int max_retries) {
+  core_->SetAutomaticallyRetryOnNetworkChanges(max_retries);
+}
+
 void URLFetcherImpl::SaveResponseToFileAtPath(
     const FilePath& file_path,
     scoped_refptr<base::TaskRunner> file_task_runner) {
   core_->SaveResponseToFileAtPath(file_path, file_task_runner);
 }
 
 void URLFetcherImpl::SaveResponseToTemporaryFile(
     scoped_refptr<base::TaskRunner> file_task_runner) {
   core_->SaveResponseToTemporaryFile(file_task_runner);
 }
@@ skipping 77 matching lines @@
 URLFetcherFactory* URLFetcherImpl::factory() {
   return g_factory;
 }
 
 // static
 void URLFetcherImpl::set_factory(URLFetcherFactory* factory) {
   g_factory = factory;
 }
 
 }  // namespace net