Move CaretBase::shouldRepaintCaret() to FrameCaret.cpp

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

Index: third_party/WebKit/Source/core/editing/CaretBase.cpp
diff --git a/third_party/WebKit/Source/core/editing/CaretBase.cpp b/third_party/WebKit/Source/core/editing/CaretBase.cpp
index 16e0f02e273c4d39b5eddce576d7cc7eafd7b228..144b86c1e91de39844b5f1604b3a3ced4d0c2c3f 100644
--- a/third_party/WebKit/Source/core/editing/CaretBase.cpp
+++ b/third_party/WebKit/Source/core/editing/CaretBase.cpp
@@ -146,15 +146,6 @@ void CaretBase::invalidateLocalCaretRect(Node* node, const LayoutRect& rect) {
       node->layoutObject()->invalidatePaintRectangle(inflatedRect, this);
 }
 
-bool CaretBase::shouldRepaintCaret(Node& node) {
-  // If PositionAnchorType::BeforeAnchor or PositionAnchorType::AfterAnchor,
-  // carets need to be repainted not only when the node is contentEditable but
-  // also when its parentNode() is contentEditable.
-  node.document().updateStyleAndLayoutTree();
-  return hasEditableStyle(node) ||
-         (node.parentNode() && hasEditableStyle(*node.parentNode()));
-}
-
 void CaretBase::invalidateCaretRect(Node* node,
                                     const LayoutRect& caretLocalRect) {
   node->document().updateStyleAndLayoutTree();