Remove PrefServiceSimple, replacing it with PrefService and PrefRegistrySimple.

chrome/browser/plugins/plugin_finder.cc

Index: chrome/browser/plugins/plugin_finder.cc
diff --git a/chrome/browser/plugins/plugin_finder.cc b/chrome/browser/plugins/plugin_finder.cc
index b362c803d1be44536c0ac62e313059753a25835f..0b858a2fecef2c04ea5dffdf335b5743df7b22bd 100644
--- a/chrome/browser/plugins/plugin_finder.cc
+++ b/chrome/browser/plugins/plugin_finder.cc
@@ -13,6 +13,7 @@
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/plugins/plugin_metadata.h"
+#include "chrome/browser/prefs/pref_registrar_simple.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/common/pref_names.h"
 #include "content/public/browser/browser_thread.h"
@@ -135,7 +136,7 @@ PluginMetadata* CreatePluginMetadata(
 }  // namespace
 
 // static
-void PluginFinder::RegisterPrefs(PrefServiceSimple* local_state) {
+void PluginFinder::RegisterPrefs(PrefRegistrarSimple* local_state) {
   local_state->RegisterBooleanPref(prefs::kDisablePluginFinder, false);
 }