Split PrefService into PrefService, PrefServiceSimple and PrefServiceSyncable.

chrome/browser/geolocation/chrome_access_token_store.h

Index: chrome/browser/geolocation/chrome_access_token_store.h
diff --git a/chrome/browser/geolocation/chrome_access_token_store.h b/chrome/browser/geolocation/chrome_access_token_store.h
index 117eec58960c52c1d2a303e744d222c07e7991f0..b1ecd56ec0fe2dc632192e00a5b96592429b460e 100644
--- a/chrome/browser/geolocation/chrome_access_token_store.h
+++ b/chrome/browser/geolocation/chrome_access_token_store.h
@@ -8,12 +8,12 @@
 #include "base/memory/ref_counted.h"
 #include "content/public/browser/access_token_store.h"
 
-class PrefService;
+class PrefServiceSimple;
 
 // Creates a new access token store backed by the global chome prefs.
 class ChromeAccessTokenStore : public content::AccessTokenStore {
  public:
-  static void RegisterPrefs(PrefService* prefs);
+  static void RegisterPrefs(PrefServiceSimple* prefs);
 
   ChromeAccessTokenStore();