Remove duplicated user_prefs::TestingPrefServiceSyncable

components/invalidation/impl/invalidator_storage_unittest.cc

Index: components/invalidation/impl/invalidator_storage_unittest.cc
diff --git a/components/invalidation/impl/invalidator_storage_unittest.cc b/components/invalidation/impl/invalidator_storage_unittest.cc
index 23fe0dad5d167211c90a12ca356984a2fac134fb..ada94e82a02004ea6c086d35f0c32ff043e04b37 100644
--- a/components/invalidation/impl/invalidator_storage_unittest.cc
+++ b/components/invalidation/impl/invalidator_storage_unittest.cc
@@ -6,8 +6,8 @@
 
 #include "base/strings/string_util.h"
 #include "components/invalidation/impl/unacked_invalidation_set_test_util.h"
-#include "components/pref_registry/testing_pref_service_syncable.h"
 #include "components/prefs/pref_service.h"
+#include "components/sync_preferences/testing_pref_service_syncable.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace invalidation {
@@ -21,7 +21,7 @@ class InvalidatorStorageTest : public testing::Test {
   }
 
  protected:
-  user_prefs::TestingPrefServiceSyncable pref_service_;
+  sync_preferences::TestingPrefServiceSyncable pref_service_;
 };
 
 // Clearing the storage should erase all version map entries, bootstrap data,