[Sync] Move SyncPrefs into sync_driver component

chrome/browser/sync/test_profile_sync_service.h

Index: chrome/browser/sync/test_profile_sync_service.h
diff --git a/chrome/browser/sync/test_profile_sync_service.h b/chrome/browser/sync/test_profile_sync_service.h
index d6d896760e4c24c5f4d846621cc22d7d6fde1799..245c51e6a6b4ccbc492e39440bc5260725326793 100644
--- a/chrome/browser/sync/test_profile_sync_service.h
+++ b/chrome/browser/sync/test_profile_sync_service.h
@@ -13,8 +13,8 @@
 #include "chrome/browser/sync/glue/data_type_manager_impl.h"
 #include "chrome/browser/sync/glue/sync_backend_host_impl.h"
 #include "chrome/browser/sync/profile_sync_service.h"
-#include "chrome/browser/sync/sync_prefs.h"
 #include "components/signin/core/profile_oauth2_token_service.h"
+#include "components/sync_driver/sync_prefs.h"
 #include "sync/test/engine/test_id_factory.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
@@ -38,7 +38,7 @@ class SyncBackendHostForProfileSyncTest : public SyncBackendHostImpl {
  public:
   SyncBackendHostForProfileSyncTest(
       Profile* profile,
-      const base::WeakPtr<SyncPrefs>& sync_prefs,
+      const base::WeakPtr<sync_driver::SyncPrefs>& sync_prefs,
       base::Closure callback);
   virtual ~SyncBackendHostForProfileSyncTest();