[Line Layout API] Convert LayoutBlockFlowLine to use new line layout API

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

Index: third_party/WebKit/Source/core/layout/LayoutBlockFlowLine.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutBlockFlowLine.cpp b/third_party/WebKit/Source/core/layout/LayoutBlockFlowLine.cpp
index 72951090977244960c790aeb0295210324c88a35..2769ce4aa7677d610b11012db7e306298b7010f8 100644
--- a/third_party/WebKit/Source/core/layout/LayoutBlockFlowLine.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutBlockFlowLine.cpp
@@ -283,14 +283,14 @@ RootInlineBox* LayoutBlockFlow::constructLine(BidiRunList<BidiRun>& bidiRuns, co
         if (!box)
             continue;
 
-        if (!rootHasSelectedChildren && box->layoutObject().selectionState() != SelectionNone)
+        if (!rootHasSelectedChildren && box->lineLayoutItem().selectionState() != SelectionNone)
             rootHasSelectedChildren = true;
 
         // If we have no parent box yet, or if the run is not simply a sibling,
         // then we need to construct inline boxes as necessary to properly enclose the
         // run's inline box. Segments can only be siblings at the root level, as
         // they are positioned separately.
-        if (!parentBox || parentBox->layoutObject() != r->m_object->parent()) {
+        if (!parentBox || (!parentBox->lineLayoutItem().isEqual(r->m_object->parent()))) {
             // Create new inline boxes all the way back to the appropriate insertion point.
             parentBox = createLineBoxes(r->m_object->parent(), lineInfo, box);
         } else {