Add ExtensionSytem::Get(Profile*) as a wrapper around

chrome/browser/sync/glue/extension_data_type_controller.cc

Index: chrome/browser/sync/glue/extension_data_type_controller.cc
diff --git a/chrome/browser/sync/glue/extension_data_type_controller.cc b/chrome/browser/sync/glue/extension_data_type_controller.cc
index 303546b639536e97849be2e8c0ff15d323a6af83..9adb5b6dbb491242947e6758a57654985ebb50e5 100644
--- a/chrome/browser/sync/glue/extension_data_type_controller.cc
+++ b/chrome/browser/sync/glue/extension_data_type_controller.cc
@@ -6,7 +6,6 @@
 
 #include "base/metrics/histogram.h"
 #include "chrome/browser/extensions/extension_system.h"
-#include "chrome/browser/extensions/extension_system_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sync/profile_sync_components_factory.h"
 
@@ -29,7 +28,7 @@ ExtensionDataTypeController::~ExtensionDataTypeController() {
 }
 
 bool ExtensionDataTypeController::StartModels() {
-  ExtensionSystemFactory::GetForProfile(profile_)->Init(true);
+  ExtensionSystem::Get(profile_)->Init(true);
   return true;
 }