Introduce a separate preference for 'proxy server mode'

chrome/browser/extensions/extension_proxy_api.h

Index: chrome/browser/extensions/extension_proxy_api.h
diff --git a/chrome/browser/extensions/extension_proxy_api.h b/chrome/browser/extensions/extension_proxy_api.h
index 95be304d20857944f9fb8812f0039246aaeb4836..d645c44aac4d9837642c8ccc03b88f3b5eafbf01 100644
--- a/chrome/browser/extensions/extension_proxy_api.h
+++ b/chrome/browser/extensions/extension_proxy_api.h
@@ -33,14 +33,12 @@ class UseCustomProxySettingsFunction : public SyncExtensionFunction {
 
   bool GetProxyServer(const DictionaryValue* dict, ProxyServer* proxy_server);
 
-  bool ApplyAutoDetect(bool auto_detect);
+  bool ApplyMode(const std::string& mode);
   bool ApplyPacScript(DictionaryValue* pac_dict);
   bool ApplyProxyRules(DictionaryValue* proxy_rules);
 
-  // Sends a notification that the given pref would like to change to the
-  // indicated pref_value. This is mainly useful so the ExtensionPrefStore can
-  // apply the requested change.
-  void SendNotification(const char* pref_path, Value* pref_value);
+  // Takes ownership of |pref_value|.
+  void ApplyPreference(const char* pref_path, Value* pref_value);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_PROXY_API_H_