Disambiguate LifecycleObserver::contextDestroyed

third_party/WebKit/Source/core/editing/SelectionController.h

 /*
  * Copyright (C) 2006, 2007, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2015 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 106 matching lines @@
   bool updateSelectionForMouseDownDispatchingSelectStart(
       Node*,
       const VisibleSelectionInFlatTree&,
       TextGranularity);
 
   FrameSelection& selection() const;
 
   // Implements |SynchronousMutationObserver|.
   // TODO(yosin): We should relocate |m_originalBaseInFlatTree| when DOM tree
   // changed.
-  void contextDestroyed() final;
+  void contextDestroyed(Document*) final;
 
   Member<LocalFrame> const m_frame;
   // TODO(yosin): We should use |PositionWIthAffinityInFlatTree| since we
   // should reduce usage of |VisibleSelectionInFlatTree|.
   // Used to store base before the adjustment at bidi boundary
   VisiblePositionInFlatTree m_originalBaseInFlatTree;
   bool m_mouseDownMayStartSelect;
   bool m_mouseDownWasSingleClickInSelection;
   bool m_mouseDownAllowsMultiClick;
   enum class SelectionState {
     HaveNotStartedSelection,
     PlacedCaret,
     ExtendedSelection
   };
   SelectionState m_selectionState;
 };
 
 bool isLinkSelection(const MouseEventWithHitTestResults&);
 bool isExtendingSelection(const MouseEventWithHitTestResults&);
 
 }  // namespace blink
 
 #endif  // SelectionController_h