Only LayoutInline needs to implement addChildIgnoringContinuation().

third_party/WebKit/Source/core/layout/LayoutBlock.cpp

Index: third_party/WebKit/Source/core/layout/LayoutBlock.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutBlock.cpp b/third_party/WebKit/Source/core/layout/LayoutBlock.cpp
index d3b7dcef13f06ce0265e423d59454d24704d0fc4..8869f4720bbc3eb1f006565d2c43b933c94bda48 100644
--- a/third_party/WebKit/Source/core/layout/LayoutBlock.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutBlock.cpp
@@ -377,7 +377,7 @@ bool LayoutBlock::allowsOverflowClip() const
     return node() != document().viewportDefiningElement();
 }
 
-void LayoutBlock::addChildIgnoringContinuation(LayoutObject* newChild, LayoutObject* beforeChild)
+void LayoutBlock::addChild(LayoutObject* newChild, LayoutObject* beforeChild)
 {
     if (beforeChild && beforeChild->parent() != this) {
         LayoutObject* beforeChildContainer = beforeChild->parent();
@@ -465,11 +465,6 @@ void LayoutBlock::addChildIgnoringContinuation(LayoutObject* newChild, LayoutObj
     // this object may be dead here
 }
 
-void LayoutBlock::addChild(LayoutObject* newChild, LayoutObject* beforeChild)
-{
-    addChildIgnoringContinuation(newChild, beforeChild);
-}
-
 static void getInlineRun(LayoutObject* start, LayoutObject* boundary,
     LayoutObject*& inlineRunStart,
     LayoutObject*& inlineRunEnd)