[sync] Refactor how default sync datatypes are set.

chrome/browser/prefs/browser_prefs.cc

Index: chrome/browser/prefs/browser_prefs.cc
diff --git a/chrome/browser/prefs/browser_prefs.cc b/chrome/browser/prefs/browser_prefs.cc
index 647de3355bdd8849b957902982be4971caf72891..da13504768339ec23719d5c1f0fa7ef3e2633d17 100644
--- a/chrome/browser/prefs/browser_prefs.cc
+++ b/chrome/browser/prefs/browser_prefs.cc
@@ -238,12 +238,13 @@ void RegisterUserPrefs(PrefService* user_prefs) {
   ash::RegisterChromeLauncherUserPrefs(user_prefs);
 #endif
 
+  extensions::ExtensionPrefs::RegisterUserPrefs(user_prefs);

[akalin, 2012/07/31 22:25:22]

mention somewhere why this was moved out?

[nyquist, 2012/08/02 18:28:17]

Added reason to CL description. Should help people doing git blame.

+
 #if !defined(OS_ANDROID)
   AppsPromo::RegisterUserPrefs(user_prefs);
   ChromeToMobileService::RegisterUserPrefs(user_prefs);
   extensions::CommandService::RegisterUserPrefs(user_prefs);
   extensions::ComponentLoader::RegisterUserPrefs(user_prefs);
-  extensions::ExtensionPrefs::RegisterUserPrefs(user_prefs);
   ExtensionSettingsHandler::RegisterUserPrefs(user_prefs);
   ExtensionWebUI::RegisterUserPrefs(user_prefs);
   RegisterBrowserUserPrefs(user_prefs);