Signal no pending activity in destructed contexts.

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

 /*
  * Copyright (C) 2010 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 540 matching lines @@
       << "Object store metadata reverted when versionchange transaction is "
          "still active";
   DCHECK(oldMetadata.get());
   m_metadata.objectStores.set(oldMetadata->id, std::move(oldMetadata));
 }
 
 bool IDBDatabase::hasPendingActivity() const {
   // The script wrapper must not be collected before the object is closed or
   // we can't fire a "versionchange" event to let script manually close the
   // connection.
-  return !m_closePending && hasEventListeners() && getExecutionContext();
+  return !m_closePending && getExecutionContext() && hasEventListeners();
 }
 
 void IDBDatabase::contextDestroyed() {
   // Immediately close the connection to the back end. Don't attempt a
   // normal close() since that may wait on transactions which require a
   // round trip to the back-end to abort.
   if (m_backend) {
     m_backend->close();
     m_backend.reset();
   }
@@ skipping 12 matching lines @@
 
 void IDBDatabase::recordApiCallsHistogram(IndexedDatabaseMethods method) {
   DEFINE_THREAD_SAFE_STATIC_LOCAL(
       EnumerationHistogram, apiCallsHistogram,
       new EnumerationHistogram("WebCore.IndexedDB.FrontEndAPICalls",
                                IDBMethodsMax));
   apiCallsHistogram.count(method);
 }
 
 }  // namespace blink