Disambiguate LifecycleObserver::contextDestroyed

third_party/WebKit/Source/web/WebAssociatedURLLoaderImpl.cpp

 /*
  * Copyright (C) 2010, 2011, 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 301 matching lines @@
 
  public:
   Observer(WebAssociatedURLLoaderImpl* parent, Document* document)
       : ContextLifecycleObserver(document), m_parent(parent) {}
 
   void dispose() {
     m_parent = nullptr;
     clearContext();
   }
 
-  void contextDestroyed() override {
+  void contextDestroyed(ExecutionContext*) override {
     if (m_parent)
       m_parent->documentDestroyed();
   }
 
   DEFINE_INLINE_VIRTUAL_TRACE() { ContextLifecycleObserver::trace(visitor); }
 
   WebAssociatedURLLoaderImpl* m_parent;
 };
 
 WebAssociatedURLLoaderImpl::WebAssociatedURLLoaderImpl(
@@ skipping 155 matching lines @@
   // there could be a WebURLLoader instance behind the
   // DocumentThreadableLoader instance. So, for safety, we chose to just
   // crash here.
   CHECK(ThreadState::current());
 
   m_observer->dispose();
   m_observer = nullptr;
 }
 
 }  // namespace blink