Revert "Migrate the IndexedDB backend from Blink to Chromium"

content/browser/indexed_db/webidbcursor_impl.cc

-// Copyright (c) 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/webidbcursor_impl.h"
-
-#include "content/browser/indexed_db/indexed_db_callbacks_wrapper.h"
-#include "content/browser/indexed_db/indexed_db_cursor.h"
-#include "content/common/indexed_db/indexed_db_key.h"
-#include "third_party/WebKit/Source/Platform/chromium/public/WebIDBKey.h"
-
-using WebKit::WebIDBCallbacks;
-
-namespace content {
-
-WebIDBCursorImpl::WebIDBCursorImpl(
-    scoped_refptr<IndexedDBCursor> idb_cursor_backend)
-    : idb_cursor_backend_(idb_cursor_backend) {}
-
-WebIDBCursorImpl::~WebIDBCursorImpl() {}
-
-void WebIDBCursorImpl::advance(unsigned long count,
-                               WebIDBCallbacks* callbacks) {
-  idb_cursor_backend_->Advance(count,
-                               IndexedDBCallbacksWrapper::Create(callbacks));
-}
-
-void WebIDBCursorImpl::continueFunction(const WebKit::WebIDBKey& key,
-                                        WebIDBCallbacks* callbacks) {
-  idb_cursor_backend_->ContinueFunction(
-      make_scoped_ptr(new IndexedDBKey(key)),
-      IndexedDBCallbacksWrapper::Create(callbacks));
-}
-
-void WebIDBCursorImpl::deleteFunction(WebIDBCallbacks* callbacks) {
-  idb_cursor_backend_->DeleteFunction(
-      IndexedDBCallbacksWrapper::Create(callbacks));
-}
-
-void WebIDBCursorImpl::prefetchContinue(int number_to_fetch,
-                                        WebKit::WebIDBCallbacks* callbacks) {
-  idb_cursor_backend_->PrefetchContinue(
-      number_to_fetch, IndexedDBCallbacksWrapper::Create(callbacks));
-}
-
-void WebIDBCursorImpl::prefetchReset(int used_prefetches,
-                                     int unused_prefetches) {
-  idb_cursor_backend_->PrefetchReset(used_prefetches, unused_prefetches);
-}
-
-}  // namespace content