Cleanup the UseSharedProxies preference.

chrome/browser/net/proxy_service_factory.h

Index: chrome/browser/net/proxy_service_factory.h
diff --git a/chrome/browser/net/proxy_service_factory.h b/chrome/browser/net/proxy_service_factory.h
index c0c26fdf09e7b38b90555c4cdc28eb27d43636f7..27a0b2d611473c19a0a1f6be6d9feaa4dd72738c 100644
--- a/chrome/browser/net/proxy_service_factory.h
+++ b/chrome/browser/net/proxy_service_factory.h
@@ -18,6 +18,12 @@ class ProxyConfigServiceImpl;
 }
 #endif  // defined(OS_CHROMEOS)
 
+#if defined(OS_CHROMEOS)
+typedef chromeos::ProxyConfigServiceImpl PrefProxyConfigTracker;
+#else
+typedef PrefProxyConfigTrackerImpl PrefProxyConfigTracker;
+#endif  // defined(OS_CHROMEOS)
+
 namespace net {
 class NetLog;
 class NetworkDelegate;
@@ -34,13 +40,12 @@ class ProxyServiceFactory {
   // about the proxy configuration by calling its UpdateProxyConfig method.
   static ChromeProxyConfigService* CreateProxyConfigService();
 
-#if defined(OS_CHROMEOS)
-  static chromeos::ProxyConfigServiceImpl* CreatePrefProxyConfigTracker(
-      PrefService* pref_service);
-#else
-  static PrefProxyConfigTrackerImpl* CreatePrefProxyConfigTracker(
-      PrefService* pref_service);
-#endif  // defined(OS_CHROMEOS)
+  static PrefProxyConfigTracker* CreatePrefProxyConfigTrackerOfProfile(

[Nikita (slow), 2013/07/15 08:08:46]

nit: Please add comments to these methods (or extend previous comment).

[pneubeck (no reviews), 2013/07/16 08:38:06]

Done.

+      PrefService* profile_prefs,
+      PrefService* local_state_prefs);
+
+  static PrefProxyConfigTracker* CreatePrefProxyConfigTrackerOfLocalState(
+      PrefService* local_state_prefs);
 
   // Create a proxy service according to the options on command line.
   static net::ProxyService* CreateProxyService(