Disambiguate LifecycleObserver::contextDestroyed

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

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights
  * reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2012 Digia Plc. and/or its subsidiary(-ies)
  * 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:
@@ skipping 108 matching lines @@
 
 }  // namespace
 
 SelectionController::~SelectionController() = default;
 
 Document& SelectionController::document() const {
   DCHECK(m_frame->document());
   return *m_frame->document();
 }
 
-void SelectionController::contextDestroyed() {
+void SelectionController::contextDestroyed(Document*) {
   m_originalBaseInFlatTree = VisiblePositionInFlatTree();
 }
 
 static PositionInFlatTree adjustPositionRespectUserSelectAll(
     Node* innerNode,
     const PositionInFlatTree& selectionStart,
     const PositionInFlatTree& selectionEnd,
     const PositionInFlatTree& position) {
   const VisibleSelectionInFlatTree& selectionInUserSelectAll =
       expandSelectionToRespectUserSelectAll(
@@ skipping 878 matching lines @@
   return event.event().altKey() && event.isOverLink();
 }
 
 bool isExtendingSelection(const MouseEventWithHitTestResults& event) {
   bool isMouseDownOnLinkOrImage =
       event.isOverLink() || event.hitTestResult().image();
   return event.event().shiftKey() && !isMouseDownOnLinkOrImage;
 }
 
 }  // namespace blink