Move onc and proxy pref names to components.

chrome/browser/chromeos/net/proxy_config_handler.cc

Index: chrome/browser/chromeos/net/proxy_config_handler.cc
diff --git a/chrome/browser/chromeos/net/proxy_config_handler.cc b/chrome/browser/chromeos/net/proxy_config_handler.cc
index e2ad362c6f7a6ebd8e7bf369dfaadf57588766e1..5de08b93625e132badfabaef1fbe6d4dddcae8f0 100644
--- a/chrome/browser/chromeos/net/proxy_config_handler.cc
+++ b/chrome/browser/chromeos/net/proxy_config_handler.cc
@@ -127,16 +127,6 @@ void SetProxyConfigForNetwork(const ProxyConfigDictionary& proxy_config,
   }
 }
 
-void RegisterPrefs(PrefRegistrySimple* registry) {
-  registry->RegisterListPref(prefs::kDeviceOpenNetworkConfiguration);
-}
-
-void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
-  registry->RegisterBooleanPref(prefs::kUseSharedProxies, false);
-
-  registry->RegisterListPref(prefs::kOpenNetworkConfiguration);
-}
-
 }  // namespace proxy_config
 
 }  // namespace chromeos