Fix caret paint invalidation issue on partial lifecycle updates

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

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple 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 32 matching lines @@
   USING_GARBAGE_COLLECTED_MIXIN(DragCaret);
 
  public:
   static DragCaret* create();
 
   virtual ~DragCaret();
 
   // Paint invalidation methods delegating to CaretDisplayItemClient.
   void clearPreviousVisualRect(const LayoutBlock&);
   void layoutBlockWillBeDestroyed(const LayoutBlock&);
-  void updateStyleAndLayoutIfNeeded();
+  void updateForPaintInvalidation();
   void invalidatePaintIfNeeded(const LayoutBlock&,
                                const PaintInvalidatorContext&,
                                PaintInvalidationReason);
 
   bool shouldPaintCaret(const LayoutBlock&) const;
   void paintDragCaret(const LocalFrame*,
                       GraphicsContext&,
                       const LayoutPoint&) const;
 
   bool isContentRichlyEditable() const;
@@ skipping 12 matching lines @@
   void nodeChildrenWillBeRemoved(ContainerNode&) final;
   void nodeWillBeRemoved(Node&) final;
 
   PositionWithAffinity m_position;
   const std::unique_ptr<CaretDisplayItemClient> m_displayItemClient;
 };
 
 }  // namespace blink
 
 #endif  // DragCaret_h