Port messages sent by WebIDBFactoryImpl to Mojo.

content/common/indexed_db/indexed_db_struct_traits.cc

+// Copyright 2016 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/common/indexed_db/indexed_db_param_traits.h"
+#include "content/common/indexed_db/indexed_db_struct_traits.h"
+
+namespace mojo {
+
+bool StructTraits<indexed_db::mojom::IndexMetadataDataView,
+                  content::IndexedDBIndexMetadata>::
+    Read(indexed_db::mojom::IndexMetadataDataView data,
+         content::IndexedDBIndexMetadata* out) {
+  out->id = data.id();
+  if (!data.ReadName(&out->name))
+    return false;
+  if (!data.ReadKeyPath(&out->key_path))
+    return false;
+  out->unique = data.unique();
+  out->multi_entry = data.multi_entry();
+  return true;
+}
+
+bool StructTraits<indexed_db::mojom::ObjectStoreMetadataDataView,
+                  content::IndexedDBObjectStoreMetadata>::
+    Read(indexed_db::mojom::ObjectStoreMetadataDataView data,
+         content::IndexedDBObjectStoreMetadata* out) {
+  out->id = data.id();
+  if (!data.ReadName(&out->name))
+    return false;
+  if (!data.ReadKeyPath(&out->key_path))
+    return false;
+  out->auto_increment = data.auto_increment();
+  out->max_index_id = data.max_index_id();
+  ArrayDataView<indexed_db::mojom::IndexMetadataDataView> indexes;
+  data.GetIndexesDataView(&indexes);
+  for (size_t i = 0; i < indexes.size(); ++i) {
+    indexed_db::mojom::IndexMetadataDataView index;
+    indexes.GetDataView(i, &index);
+    DCHECK(!base::ContainsKey(out->indexes, index.id()));
+    if (!StructTraits<
+            indexed_db::mojom::IndexMetadataDataView,
+            content::IndexedDBIndexMetadata>::Read(index,
+                                                   &out->indexes[index.id()]))
+      return false;
+  }
+  return true;
+}
+
+bool StructTraits<indexed_db::mojom::DatabaseMetadataDataView,
+                  content::IndexedDBDatabaseMetadata>::
+    Read(indexed_db::mojom::DatabaseMetadataDataView data,
+         content::IndexedDBDatabaseMetadata* out) {
+  out->id = data.id();
+  if (!data.ReadName(&out->name))
+    return false;
+  out->version = data.version();
+  out->max_object_store_id = data.max_object_store_id();
+  ArrayDataView<indexed_db::mojom::ObjectStoreMetadataDataView> object_stores;
+  data.GetObjectStoresDataView(&object_stores);
+  for (size_t i = 0; i < object_stores.size(); ++i) {
+    indexed_db::mojom::ObjectStoreMetadataDataView object_store;
+    object_stores.GetDataView(i, &object_store);
+    DCHECK(!base::ContainsKey(out->object_stores, object_store.id()));
+    if (!StructTraits<indexed_db::mojom::ObjectStoreMetadataDataView,
+                      content::IndexedDBObjectStoreMetadata>::
+            Read(object_store, &out->object_stores[object_store.id()]))
+      return false;
+  }
+  return true;
+}
+
+}  // namespace mojo