Remove unloaded profile hash store initialization,

chrome/browser/prefs/tracked/pref_service_hash_store_contents.cc

Index: chrome/browser/prefs/tracked/pref_service_hash_store_contents.cc
diff --git a/chrome/browser/prefs/tracked/pref_service_hash_store_contents.cc b/chrome/browser/prefs/tracked/pref_service_hash_store_contents.cc
index 5482e3607bdba4da7291219a66c552d85ff8cb18..103e3501af6b8ebd1cef9b5df02775de66667605 100644
--- a/chrome/browser/prefs/tracked/pref_service_hash_store_contents.cc
+++ b/chrome/browser/prefs/tracked/pref_service_hash_store_contents.cc
@@ -103,21 +103,6 @@ bool PrefServiceHashStoreContents::IsInitialized() const {
                                                             NULL);
 }
 
-bool PrefServiceHashStoreContents::GetVersion(int* version) const {
-  DCHECK(version);
-  const base::DictionaryValue* pref_hash_data =
-      pref_service_->GetDictionary(prefs::kProfilePreferenceHashes);
-
-  const base::DictionaryValue* version_dict;
-  return pref_hash_data->GetDictionary(kStoreVersionsDict, &version_dict) &&
-         version_dict->GetIntegerWithoutPathExpansion(hash_store_id_, version);
-}
-
-void PrefServiceHashStoreContents::SetVersion(int version) {
-  PrefServiceMutableDictionary(kStoreVersionsDict, pref_service_)
-      ->SetIntegerWithoutPathExpansion(hash_store_id_, version);
-}
-
 const base::DictionaryValue* PrefServiceHashStoreContents::GetContents() const {
   const base::DictionaryValue* pref_hash_dicts =
       pref_service_->GetDictionary(prefs::kProfilePreferenceHashes);