Remove dead code from IDB (chromium side)

content/browser/indexed_db/indexed_db_fake_backing_store.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/indexed_db/indexed_db_fake_backing_store.h"
 
 #include "base/memory/scoped_ptr.h"
 
 namespace content {
 
 IndexedDBFakeBackingStore::~IndexedDBFakeBackingStore() {}
 
 std::vector<string16> IndexedDBFakeBackingStore::GetDatabaseNames() {
   return std::vector<string16>();
 }
 bool IndexedDBFakeBackingStore::GetIDBDatabaseMetaData(
     const string16& name,
     IndexedDBDatabaseMetadata*,
     bool* found) {
   return true;
 }
 
 bool IndexedDBFakeBackingStore::CreateIDBDatabaseMetaData(
     const string16& name,
     const string16& version,
     int64 int_version,
     int64* row_id) {
   return true;
 }
-bool IndexedDBFakeBackingStore::UpdateIDBDatabaseMetaData(
-    Transaction*,
-    int64 row_id,
-    const string16& version) {
-  return false;
-}
 bool IndexedDBFakeBackingStore::UpdateIDBDatabaseIntVersion(Transaction*,
                                                             int64 row_id,
                                                             int64 version) {
   return false;
 }
 bool IndexedDBFakeBackingStore::DeleteDatabase(const string16& name) {
   return true;
 }
 
 bool IndexedDBFakeBackingStore::CreateObjectStore(Transaction*,
@@ skipping 100 matching lines @@
     IndexedDBBackingStore::Transaction* transaction,
     int64 database_id,
     int64 object_store_id,
     int64 index_id,
     const IndexedDBKeyRange& key_range,
     indexed_db::CursorDirection) {
   return scoped_ptr<IndexedDBBackingStore::Cursor>();
 }
 
 }  // namespace content