Disambiguate LifecycleObserver::contextDestroyed

third_party/WebKit/Source/modules/vr/VRDisplay.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef VRDisplay_h
 #define VRDisplay_h
 
 #include "core/dom/Document.h"
 #include "core/dom/FrameRequestCallback.h"
 #include "core/events/EventTarget.h"
@@ skipping 70 matching lines @@
 
   void submitFrame();
 
   Document* document();
 
   // EventTarget overrides:
   ExecutionContext* getExecutionContext() const override;
   const AtomicString& interfaceName() const override;
 
   // ContextLifecycleObserver implementation.
-  void contextDestroyed() override;
+  void contextDestroyed(ExecutionContext*) override;
 
   // ScriptWrappable implementation.
   bool hasPendingActivity() const final;
 
   DECLARE_VIRTUAL_TRACE();
 
  protected:
   friend class VRController;
 
   VRDisplay(NavigatorVR*,
@@ skipping 85 matching lines @@
   ServiceInactive = 11,
   RequestDenied = 12,
   PresentationResultMax,  // Must be last member of enum.
 };
 
 void ReportPresentationResult(PresentationResult);
 
 }  // namespace blink
 
 #endif  // VRDisplay_h