Chromium side of IDBIndex.count() and IDBObjectStore.count()

content/renderer/renderer_webidbobjectstore_impl.cc

Index: content/renderer/renderer_webidbobjectstore_impl.cc
diff --git a/content/renderer/renderer_webidbobjectstore_impl.cc b/content/renderer/renderer_webidbobjectstore_impl.cc
index 94a0a486afee6ee8ebafbf3bfdd3f22250dbf0ff..fccc3bf51409d432ed7b28a3d1185d440a57032c 100644
--- a/content/renderer/renderer_webidbobjectstore_impl.cc
+++ b/content/renderer/renderer_webidbobjectstore_impl.cc
@@ -171,3 +171,15 @@ void RendererWebIDBObjectStoreImpl::openCursor(
       idb_key_range, direction, callbacks,  idb_object_store_id_,
       transaction, &ec);
 }
+
+void RendererWebIDBObjectStoreImpl::count(
+    const WebIDBKeyRange& idb_key_range,
+    WebIDBCallbacks* callbacks,
+    const WebIDBTransaction& transaction,
+    WebExceptionCode& ec) {
+  IndexedDBDispatcher* dispatcher =
+      RenderThreadImpl::current()->indexed_db_dispatcher();
+  dispatcher->RequestIDBObjectStoreCount(
+      idb_key_range, callbacks,  idb_object_store_id_,
+      transaction, &ec);
+}