Track sources of proxy settings.

net/proxy/proxy_list.cc

 // Copyright (c) 2011 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_list.h"
 
 #include "base/logging.h"
 #include "base/string_tokenizer.h"
 #include "base/time.h"
 #include "net/proxy/proxy_server.h"
@@ skipping 59 matching lines @@
   for (std::vector<ProxyServer>::iterator it = proxies_.begin();
        it != proxies_.end(); ) {
     if (!(scheme_bit_field & it->scheme())) {
       it = proxies_.erase(it);
       continue;
     }
     ++it;
   }
 }
 
+void ProxyList::Clear() {
+  proxies_.clear();
+}
+
 bool ProxyList::IsEmpty() const {
   return proxies_.empty();
 }
 
 const ProxyServer& ProxyList::Get() const {
   DCHECK(!proxies_.empty());
   return proxies_[0];
 }
 
 void ProxyList::SetFromPacString(const std::string& pac_string) {
@@ skipping 68 matching lines @@
         make_scoped_refptr(new NetLogStringParameter("bad_proxy", key)));
   }
 
   // Remove this proxy from our list.
   proxies_.erase(proxies_.begin());
 
   return !proxies_.empty();
 }
 
 }  // namespace net