[Line Layout API] Convert InlineBox::boxModelObject to new API

Source/core/layout/line/InlineFlowBox.h

Index: Source/core/layout/line/InlineFlowBox.h
diff --git a/Source/core/layout/line/InlineFlowBox.h b/Source/core/layout/line/InlineFlowBox.h
index c42917215b34ef9928aa23aeaa5937c9bfc3dea6..1d1721e0314f00ddb24b44221005d977ac347869 100644
--- a/Source/core/layout/line/InlineFlowBox.h
+++ b/Source/core/layout/line/InlineFlowBox.h
@@ -131,13 +131,13 @@ public:
     {
         if (!includeLogicalLeftEdge())
             return 0;
-        return isHorizontal() ? boxModelObject()->marginLeft() : boxModelObject()->marginTop();
+        return isHorizontal() ? boxModelObject().marginLeft() : boxModelObject().marginTop();
     }
     LayoutUnit marginLogicalRight() const
     {
         if (!includeLogicalRightEdge())
             return 0;
-        return isHorizontal() ? boxModelObject()->marginRight() : boxModelObject()->marginBottom();
+        return isHorizontal() ? boxModelObject().marginRight() : boxModelObject().marginBottom();
     }
     int borderLogicalLeft() const
     {
@@ -155,13 +155,13 @@ public:
     {
         if (!includeLogicalLeftEdge())
             return 0;
-        return isHorizontal() ? boxModelObject()->paddingLeft() : boxModelObject()->paddingTop();
+        return isHorizontal() ? boxModelObject().paddingLeft() : boxModelObject().paddingTop();
     }
     int paddingLogicalRight() const
     {
         if (!includeLogicalRightEdge())
             return 0;
-        return isHorizontal() ? boxModelObject()->paddingRight() : boxModelObject()->paddingBottom();
+        return isHorizontal() ? boxModelObject().paddingRight() : boxModelObject().paddingBottom();
     }
 
     bool includeLogicalLeftEdge() const { return m_includeLogicalLeftEdge; }