Migrate the IndexedDB backend from Blink to Chromium

content/browser/indexed_db/indexed_db_metadata.h

+// 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.
+
+#ifndef CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_METADATA_H_
+#define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_METADATA_H_
+
+#include <map>
+
+#include "base/string16.h"
+#include "content/common/indexed_db/indexed_db_key_path.h"
+
+namespace content {
+
+struct IndexedDBIndexMetadata {
+  IndexedDBIndexMetadata() {}
+  IndexedDBIndexMetadata(const string16& name,
+                         int64_t id,
+                         const IndexedDBKeyPath& key_path,
+                         bool unique,
+                         bool multi_entry)
+      : name(name),
+        id(id),
+        key_path(key_path),
+        unique(unique),
+        multi_entry(multi_entry) {}
+  string16 name;
+  int64_t id;
+  IndexedDBKeyPath key_path;
+  bool unique;
+  bool multi_entry;
+
+  static const int64_t InvalidId = -1;
+};
+
+struct CONTENT_EXPORT IndexedDBObjectStoreMetadata {
+  IndexedDBObjectStoreMetadata();
+  IndexedDBObjectStoreMetadata(const string16& name,
+                               int64_t id,
+                               const IndexedDBKeyPath& key_path,
+                               bool auto_increment,
+                               int64_t max_index_id);
+  ~IndexedDBObjectStoreMetadata();
+  string16 name;
+  int64_t id;
+  IndexedDBKeyPath key_path;
+  bool auto_increment;
+  int64_t max_index_id;
+
+  static const int64_t InvalidId = -1;
+
+  typedef std::map<int64_t, IndexedDBIndexMetadata> IndexMap;
+  IndexMap indexes;
+
+};
+
+struct CONTENT_EXPORT IndexedDBDatabaseMetadata {
+  // TODO: These can probably be collapsed into 0.
+  enum {
+    NoIntVersion = -1,
+    DefaultIntVersion = 0
+  };
+
+  typedef std::map<int64_t, IndexedDBObjectStoreMetadata> ObjectStoreMap;
+
+  IndexedDBDatabaseMetadata();
+  IndexedDBDatabaseMetadata(const string16& name,
+                            int64_t id,
+                            const string16& version,
+                            int64_t int_version,
+                            int64_t max_object_store_id);
+  ~IndexedDBDatabaseMetadata();
+
+  string16 name;
+  int64_t id;
+  string16 version;
+  int64_t int_version;
+  int64_t max_object_store_id;
+
+  ObjectStoreMap object_stores;
+};
+
+}
+
+#endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_METADATA_H_