Invalidate caret during paint invalidation

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

 /*
  * Copyright (C) 2004, 2005, 2006, 2007 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 361 matching lines @@
   return highestEditableRoot(toPositionInDOMTree(position));
 }
 
 bool isEditablePosition(const Position& position) {
   Node* node = position.parentAnchoredEquivalent().anchorNode();
   if (!node)
     return false;
   DCHECK(node->document().isActive());
   if (node->document().lifecycle().state() >=
       DocumentLifecycle::InStyleRecalc) {
-    // TODO(yosin): Once we change |LayoutObject::adjustStyleDifference()|
-    // not to call |FrameSelection::hasCaret()|, we should not assume
-    // calling |isEditablePosition()| in |InStyleRecalc| is safe.
+    // TODO(yosin): Update the condition and DCHECK here given that
+    // https://codereview.chromium.org/2665823002/ avoided this function from
+    // being called during InStyleRecalc.
   } else {
     DCHECK(!needsLayoutTreeUpdate(position)) << position;
   }
 
   if (isDisplayInsideTable(node))
     node = node->parentNode();
 
   if (node->isDocumentNode())
     return false;
   return hasEditableStyle(*node);
@@ skipping 1725 matching lines @@
         return InputType::DeleteWordBackward;
       if (granularity == LineBoundary)
         return InputType::DeleteLineBackward;
       return InputType::DeleteContentBackward;
     default:
       return InputType::None;
   }
 }
 
 }  // namespace blink