[Line Layout API] Use LineLayoutItem consistently in RootInlineBox::childRemoved

Source/core/layout/line/RootInlineBox.cpp

Index: Source/core/layout/line/RootInlineBox.cpp
diff --git a/Source/core/layout/line/RootInlineBox.cpp b/Source/core/layout/line/RootInlineBox.cpp
index 613922a46a56796dd460e69209405555ec8e0de4..aae81d3d5aa19b73eeada1bb29d5572c81f4244c 100644
--- a/Source/core/layout/line/RootInlineBox.cpp
+++ b/Source/core/layout/line/RootInlineBox.cpp
@@ -182,10 +182,10 @@ void RootInlineBox::move(const LayoutSize& delta)
 
 void RootInlineBox::childRemoved(InlineBox* box)
 {
-    if (&box->layoutObject() == m_lineBreakObj)
+    if (box->lineLayoutItem() == m_lineBreakObj)
         setLineBreakInfo(0, 0, BidiStatus());
 
-    for (RootInlineBox* prev = prevRootBox(); prev && prev->lineBreakObj() == &box->layoutObject(); prev = prev->prevRootBox()) {
+    for (RootInlineBox* prev = prevRootBox(); prev && prev->lineBreakObj() == box->lineLayoutItem(); prev = prev->prevRootBox()) {
         prev->setLineBreakInfo(0, 0, BidiStatus());
         prev->markDirty();
     }