Track sources of proxy settings.

net/proxy/proxy_config_service_win_unittest.cc

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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/proxy/proxy_config_service_win.h"
 
 #include "net/base/net_errors.h"
 #include "net/proxy/proxy_config.h"
 #include "net/proxy/proxy_config_service_common_unittest.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 177 matching lines @@
     },
   };
 
   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(tests); ++i) {
     ProxyConfig config;
     ProxyConfigServiceWin::SetFromIEConfig(&config, tests[i].ie_config);
 
     EXPECT_EQ(tests[i].auto_detect, config.auto_detect());
     EXPECT_EQ(tests[i].pac_url, config.pac_url());
     EXPECT_TRUE(tests[i].proxy_rules.Matches(config.proxy_rules()));
+    EXPECT_EQ(PROXY_CONFIG_SOURCE_SYSTEM, config.source());
   }
 }
 
 }  // namespace net