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/public/platform/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