Keep track of network error in ProxyRetryInfo.

net/proxy/proxy_info_unittest.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/net_errors.h"
 #include "net/proxy/proxy_info.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace net {
 namespace {
 
 TEST(ProxyInfoTest, ProxyInfoIsDirectOnly) {
   // Test the is_direct_only() predicate.
   ProxyInfo info;
 
@@ skipping 10 matching lines @@
   EXPECT_FALSE(info.is_direct_only());
 
   info.UsePacString("DIRECT; PROXY myproxy:80");
   EXPECT_TRUE(info.is_direct());
   EXPECT_FALSE(info.is_direct_only());
 
   info.UsePacString("PROXY myproxy:80; DIRECT");
   EXPECT_FALSE(info.is_direct());
   EXPECT_FALSE(info.is_direct_only());
   // After falling back to direct, we shouldn't consider it DIRECT only.
-  EXPECT_TRUE(info.Fallback(BoundNetLog()));
+  EXPECT_TRUE(info.Fallback(ERR_PROXY_CONNECTION_FAILED, BoundNetLog()));
   EXPECT_TRUE(info.is_direct());
   EXPECT_FALSE(info.is_direct_only());
 }
 
 }  // namespace
 }  // namespace net