Remove PrefServiceSimple, replacing it with PrefService and PrefRegistrySimple.

chrome/browser/profiles/profile_info_cache.cc

Index: chrome/browser/profiles/profile_info_cache.cc
diff --git a/chrome/browser/profiles/profile_info_cache.cc b/chrome/browser/profiles/profile_info_cache.cc
index cb645ee8ba2086d64340b00560350daaba7262d7..d01da895b881a1cbd05d91732f96c16756c85ab7 100644
--- a/chrome/browser/profiles/profile_info_cache.cc
+++ b/chrome/browser/profiles/profile_info_cache.cc
@@ -18,6 +18,7 @@
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
+#include "chrome/browser/prefs/pref_registrar_simple.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/prefs/scoped_user_pref_update.h"
 #include "chrome/common/chrome_notification_types.h"
@@ -823,6 +824,6 @@ std::vector<string16> ProfileInfoCache::GetProfileNames() {
 }
 
 // static
-void ProfileInfoCache::RegisterPrefs(PrefServiceSimple* prefs) {
+void ProfileInfoCache::RegisterPrefs(PrefRegistrarSimple* prefs) {
   prefs->RegisterDictionaryPref(prefs::kProfileInfoCache);
 }