Keep track of network error in ProxyRetryInfo.

net/base/network_delegate.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/base/network_delegate.h"
 
 #include "base/logging.h"
 #include "net/base/load_flags.h"
 #include "net/base/net_errors.h"
 #include "net/proxy/proxy_info.h"
@@ skipping 15 matching lines @@
     int load_flags,
     const ProxyService& proxy_service,
     ProxyInfo* result) {
   DCHECK(CalledOnValidThread());
   DCHECK(result);
   OnResolveProxy(url, load_flags, proxy_service, result);
 }
 
 void NetworkDelegate::NotifyProxyFallback(
     const ProxyServer& bad_proxy,
-    int net_error,
-    bool did_fallback) {
+    int net_error) {
   DCHECK(CalledOnValidThread());
-  OnProxyFallback(bad_proxy, net_error, did_fallback);
+  OnProxyFallback(bad_proxy, net_error);
 }
 
 int NetworkDelegate::NotifyBeforeSendHeaders(
     URLRequest* request, const CompletionCallback& callback,
     HttpRequestHeaders* headers) {
   DCHECK(CalledOnValidThread());
   DCHECK(headers);
   DCHECK(!callback.is_null());
   return OnBeforeSendHeaders(request, callback, headers);
 }
@@ skipping 124 matching lines @@
 }
 
 void NetworkDelegate::OnResolveProxy(
     const GURL& url,
     int load_flags,
     const ProxyService& proxy_service,
     ProxyInfo* result) {
 }
 
 void NetworkDelegate::OnProxyFallback(const ProxyServer& bad_proxy,
-                                      int net_error,
-                                      bool did_fallback) {
+                                      int net_error) {
 }
 
 int NetworkDelegate::OnBeforeSendHeaders(URLRequest* request,
                                          const CompletionCallback& callback,
                                          HttpRequestHeaders* headers) {
   return OK;
 }
 
 void NetworkDelegate::OnBeforeSendProxyHeaders(
     URLRequest* request,
@@ skipping 69 matching lines @@
   return false;
 }
 
 int NetworkDelegate::OnBeforeSocketStreamConnect(
     SocketStream* socket,
     const CompletionCallback& callback) {
   return OK;
 }
 
 }  // namespace net