Remove PrefServiceSimple, replacing it with PrefService and PrefRegistrySimple.

chrome/browser/ui/window_snapshot/window_snapshot.cc

Index: chrome/browser/ui/window_snapshot/window_snapshot.cc
diff --git a/chrome/browser/ui/window_snapshot/window_snapshot.cc b/chrome/browser/ui/window_snapshot/window_snapshot.cc
index 9d440ba7a4792b80c4987f9b9ea0ae706e94ee08..9a502dee6ad05773e526575bc632557ae6d95bea 100644
--- a/chrome/browser/ui/window_snapshot/window_snapshot.cc
+++ b/chrome/browser/ui/window_snapshot/window_snapshot.cc
@@ -5,6 +5,7 @@
 #include "chrome/browser/ui/window_snapshot/window_snapshot.h"
 
 #include "chrome/browser/browser_process.h"
+#include "chrome/browser/prefs/pref_registrar_simple.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/common/pref_names.h"
 #include "ui/snapshot/snapshot.h"
@@ -21,7 +22,7 @@ bool GrabWindowSnapshotForUser(
       snapshot_bounds);
 }
 
-void RegisterScreenshotPrefs(PrefServiceSimple* service) {
+void RegisterScreenshotPrefs(PrefRegistrarSimple* service) {
   service->RegisterBooleanPref(prefs::kDisableScreenshots, false);
 }