Remove PrefServiceSimple, replacing it with PrefService and PrefRegistrySimple.

chrome/browser/geolocation/geolocation_prefs.cc

Index: chrome/browser/geolocation/geolocation_prefs.cc
diff --git a/chrome/browser/geolocation/geolocation_prefs.cc b/chrome/browser/geolocation/geolocation_prefs.cc
index 352e1f979d8f4c73c8d190c9451f41a5b77e3720..dcfc2ecd3425711b340eb74d69968958fc2707e9 100644
--- a/chrome/browser/geolocation/geolocation_prefs.cc
+++ b/chrome/browser/geolocation/geolocation_prefs.cc
@@ -8,9 +8,9 @@
 #include "chrome/browser/geolocation/chrome_geolocation_permission_context_factory.h"
 
 namespace geolocation {
-void RegisterPrefs(PrefServiceSimple* prefs) {
+void RegisterPrefs(PrefRegistrySimple* registry) {
   // Fan out to all geolocation sub-components that use prefs.
-  ChromeAccessTokenStore::RegisterPrefs(prefs);
+  ChromeAccessTokenStore::RegisterPrefs(registry);
 }
 
 }  // namespace geolocation