Make CrOS proxy configuration write prefs directly.

net/proxy/proxy_bypass_rules.h

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// 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.
 
 #ifndef NET_PROXY_PROXY_BYPASS_RULES_H_
 #define NET_PROXY_PROXY_BYPASS_RULES_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
@@ skipping 134 matching lines @@
   // suffix tests rather than hostname tests (so "google.com" would actually
   // match "*google.com"). This is used for KDE which interprets every rule as
   // a suffix test. It is less flexible, since with the suffix matching format
   // you can't match an individual host.
   //
   // Returns true if the rule was successfully added.
   //
   // NOTE: Use AddRuleFromString() unless you truly need this behavior.
   bool AddRuleFromStringUsingSuffixMatching(const std::string& raw);
 
+  // Converts the rules to string representation. Inverse operation to
+  // ParseFromString().
+  std::string ToString() const;
+
   // Removes all the rules.
   void Clear();
 
   // Sets |*this| to |other|.
   void AssignFrom(const ProxyBypassRules& other);
 
  private:
   // The following are variants of ParseFromString() and AddRuleFromString(),
   // which additionally prefix hostname patterns with a wildcard if
   // |use_hostname_suffix_matching| was true.
   void ParseFromStringInternal(const std::string& raw,
                                bool use_hostname_suffix_matching);
   bool AddRuleFromStringInternal(const std::string& raw,
                                  bool use_hostname_suffix_matching);
   bool AddRuleFromStringInternalWithLogging(const std::string& raw,
                                             bool use_hostname_suffix_matching);
 
   RuleList rules_;
 };
 
 }  // namespace net
 
 #endif  // NET_PROXY_PROXY_BYPASS_RULES_H_