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 04fe1cb64040d4bca182c9347630df39bbd8979e..0bb78dd6df4afc0f5df81d93b39d2db7ed39bd06 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 =
+      IndexedDBDispatcher::ThreadSpecificInstance();
+  dispatcher->RequestIDBObjectStoreCount(
+      idb_key_range, callbacks,  idb_object_store_id_,
+      transaction, &ec);
+}