[IndexedDB] Adding transaction and value support to observers

content/child/indexed_db/indexed_db_callbacks_impl.cc

Index: content/child/indexed_db/indexed_db_callbacks_impl.cc
diff --git a/content/child/indexed_db/indexed_db_callbacks_impl.cc b/content/child/indexed_db/indexed_db_callbacks_impl.cc
index 845dc54930a10dc3ee6e899abcbc1c71039d6abf..c55b3db4ff52c46b7d5f24965a4431a5bc032065 100644
--- a/content/child/indexed_db/indexed_db_callbacks_impl.cc
+++ b/content/child/indexed_db/indexed_db_callbacks_impl.cc
@@ -65,8 +65,18 @@ void ConvertDatabaseMetadata(const content::IndexedDBDatabaseMetadata& metadata,
     ConvertObjectStoreMetadata(iter.second, &output->objectStores[i++]);
 }
 
-void ConvertValue(const indexed_db::mojom::ValuePtr& value,
-                  WebIDBValue* web_value) {
+void ConvertReturnValue(const indexed_db::mojom::ReturnValuePtr& value,
+                        WebIDBValue* web_value) {
+  IndexedDBCallbacksImpl::ConvertValue(value->value, web_value);
+  web_value->primaryKey = WebIDBKeyBuilder::Build(value->primary_key);
+  web_value->keyPath = WebIDBKeyPathBuilder::Build(value->key_path);
+}
+
+}  // namespace
+
+/* static */ void IndexedDBCallbacksImpl::ConvertValue(
+    const indexed_db::mojom::ValuePtr& value,
+    WebIDBValue* web_value) {
   if (value->bits.empty())
     return;
 
@@ -92,14 +102,6 @@ void ConvertValue(const indexed_db::mojom::ValuePtr& value,
   web_value->webBlobInfo.swap(local_blob_info);
 }
 
-void ConvertReturnValue(const indexed_db::mojom::ReturnValuePtr& value,
-                        WebIDBValue* web_value) {
-  ConvertValue(value->value, web_value);
-  web_value->primaryKey = WebIDBKeyBuilder::Build(value->primary_key);
-  web_value->keyPath = WebIDBKeyPathBuilder::Build(value->key_path);
-}
-
-}  // namespace
 
 IndexedDBCallbacksImpl::IndexedDBCallbacksImpl(
     std::unique_ptr<WebIDBCallbacks> callbacks,
@@ -301,7 +303,7 @@ void IndexedDBCallbacksImpl::InternalState::SuccessCursor(
     indexed_db::mojom::ValuePtr value) {
   WebIDBValue web_value;
   if (value)
-    ConvertValue(value, &web_value);
+    IndexedDBCallbacksImpl::ConvertValue(value, &web_value);
 
   WebIDBCursorImpl* cursor =
       new WebIDBCursorImpl(std::move(cursor_info), transaction_id_, io_runner_);