IndexedDB: Recycle cursor objects when calling continue().

content/browser/in_process_webkit/indexed_db_callbacks.cc

Index: content/browser/in_process_webkit/indexed_db_callbacks.cc
diff --git a/content/browser/in_process_webkit/indexed_db_callbacks.cc b/content/browser/in_process_webkit/indexed_db_callbacks.cc
index 01b4b637e69280e9e00f242927f7a8b966002e52..70e79ef3edf7283d755b34084e99a0055a3478cb 100644
--- a/content/browser/in_process_webkit/indexed_db_callbacks.cc
+++ b/content/browser/in_process_webkit/indexed_db_callbacks.cc
@@ -41,6 +41,24 @@ void IndexedDBCallbacks<WebKit::WebIDBCursor>::onSuccess(
           response_id(), content::SerializedScriptValue(value)));
 }
 
+void IndexedDBCallbacks<WebKit::WebIDBCursor>::onSuccessWithContinuation() {
+  DCHECK(cursor_id_ != -1);
+  WebKit::WebIDBCursor* idb_cursor = dispatcher_host()->GetCursorFromId(
+      cursor_id_);
+
+  DCHECK(idb_cursor);
+  if (!idb_cursor)
+    return;
+
+  dispatcher_host()->Send(
+      new IndexedDBMsg_CallbacksSuccessCursorContinue(
+          response_id(),
+          cursor_id_,
+          IndexedDBKey(idb_cursor->key()),
+          IndexedDBKey(idb_cursor->primaryKey()),
+          content::SerializedScriptValue(idb_cursor->value())));
+}
+
 void IndexedDBCallbacks<WebKit::WebIDBKey>::onSuccess(
     const WebKit::WebIDBKey& value) {
   dispatcher_host()->Send(