Port messages sent by WebIDBDatabaseImpl to Mojo.

content/common/indexed_db/indexed_db_struct_traits.h

 // 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.
 
 #ifndef CONTENT_COMMON_INDEXED_DB_INDEXED_DB_STRUCT_TRAITS_H_
 #define CONTENT_COMMON_INDEXED_DB_INDEXED_DB_STRUCT_TRAITS_H_
 
 #include "content/common/indexed_db/indexed_db.mojom.h"
 #include "content/common/indexed_db/indexed_db_metadata.h"
 
 namespace mojo {
 
 template <>
+struct StructTraits<indexed_db::mojom::IndexKeysDataView,
+                    content::IndexedDBIndexKeys> {
+  static int64_t index_id(const content::IndexedDBIndexKeys& index_keys) {
+    return index_keys.first;
+  }
+  static const std::vector<content::IndexedDBKey>& index_keys(
+      const content::IndexedDBIndexKeys& index_keys) {
+    return index_keys.second;
+  }
+  static bool Read(indexed_db::mojom::IndexKeysDataView data,
+                   content::IndexedDBIndexKeys* out) {
+    out->first = data.index_id();
+    return data.ReadIndexKeys(&out->second);
+  }
+};
+
+template <>
 struct StructTraits<indexed_db::mojom::IndexMetadataDataView,
                     content::IndexedDBIndexMetadata> {
   static int64_t id(const content::IndexedDBIndexMetadata& metadata) {
     return metadata.id;
   }
   static base::string16 name(const content::IndexedDBIndexMetadata& metadata) {
     return metadata.name;
   }
   static const content::IndexedDBKeyPath& key_path(
       const content::IndexedDBIndexMetadata& metadata) {
@@ skipping 60 matching lines @@
   object_stores(const content::IndexedDBDatabaseMetadata& metadata) {
     return MapValuesToArray(metadata.object_stores);
   }
   static bool Read(indexed_db::mojom::DatabaseMetadataDataView data,
                    content::IndexedDBDatabaseMetadata* out);
 };
 
 }  // namespace mojo
 
 #endif  // CONTENT_COMMON_INDEXED_DB_INDEXED_DB_STRUCT_TRAITS_H_