Wrap large IndexedDB values into Blobs before writing to LevelDB.

third_party/WebKit/Source/modules/indexeddb/IDBOpenDBRequest.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 162 matching lines @@
 }
 
 DispatchEventResult IDBOpenDBRequest::DispatchEventInternal(Event* event) {
   // If the connection closed between onUpgradeNeeded and the delivery of the
   // "success" event, an "error" event should be fired instead.
   if (event->type() == EventTypeNames::success &&
       ResultAsAny()->GetType() == IDBAny::kIDBDatabaseType &&
       ResultAsAny()->IdbDatabase()->IsClosePending()) {
     DequeueEvent(event);
     SetResult(nullptr);
-    EnqueueResponse(
+    HandleResponse(
         DOMException::Create(kAbortError, "The connection was closed."));
     return DispatchEventResult::kCanceledBeforeDispatch;
   }
 
   return IDBRequest::DispatchEventInternal(event);
 }
 
 }  // namespace blink