VERSION_PRE_MIGRATION   90 chrome/browser/prefs/pref_hash_store_impl.cc     return VERSION_PRE_MIGRATION;
VERSION_PRE_MIGRATION   93 chrome/browser/prefs/pref_hash_store_impl.cc   DCHECK_GT(current_version, VERSION_PRE_MIGRATION);
VERSION_PRE_MIGRATION  480 chrome/browser/prefs/pref_hash_store_impl_unittest.cc     EXPECT_EQ(PrefHashStoreImpl::VERSION_PRE_MIGRATION,