Support bypassList in Proxy Settings API.

chrome/browser/prefs/proxy_config_dictionary.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 "chrome/browser/prefs/proxy_config_dictionary.h"
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/values.h"
 
@@ skipping 29 matching lines @@
 }
 
 bool ProxyConfigDictionary::GetProxyServer(std::string* out) const {
   return dict_->GetString(kProxyServer, out);
 }
 
 bool ProxyConfigDictionary::GetBypassList(std::string* out) const {
   return dict_->GetString(kProxyBypassList, out);
 }
 
+bool ProxyConfigDictionary::HasBypassList() const {
+  return dict_->HasKey(kProxyBypassList);
+}
+
 // static
 DictionaryValue* ProxyConfigDictionary::CreateDirect() {
   return CreateDictionary(ProxyPrefs::MODE_DIRECT, "", "", "");
 }
 
 // static
 DictionaryValue* ProxyConfigDictionary::CreateAutoDetect() {
   return CreateDictionary(ProxyPrefs::MODE_AUTO_DETECT, "", "", "");
 }
 
@@ skipping 29 matching lines @@
   DictionaryValue* dict = new DictionaryValue();
   dict->SetString(kProxyMode, ProxyModeToString(mode));
   if (!pac_url.empty())
     dict->SetString(kProxyPacUrl, pac_url);
   if (!proxy_server.empty())
     dict->SetString(kProxyServer, proxy_server);
   if (!bypass_list.empty())
     dict->SetString(kProxyBypassList, bypass_list);
   return dict;
 }