[Line Layout API] Add border*() to LineLayoutBoxModel

This CL updates callers in InlineFlowBox.

BUG=499321

Review URL: https://codereview.chromium.org/1328723002

git-svn-id: svn://svn.chromium.org/blink/trunk@202005 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/core/layout/api/LineLayoutBoxModel.h

@@ -108,6 +108,26 @@ public:
         return toBoxModel()->paddingAfter();
     }
 
+    int borderTop() const
+    {
+        return toBoxModel()->borderTop();
+    }
+
+    int borderBottom() const
+    {
+        return toBoxModel()->borderBottom();
+    }
+
+    int borderLeft() const
+    {
+        return toBoxModel()->borderLeft();
+    }
+
+    int borderRight() const
+    {
+        return toBoxModel()->borderRight();
+    }
+
     int borderBefore() const
     {
         return toBoxModel()->borderBefore();

third_party/WebKit/Source/core/layout/line/InlineFlowBox.cpp

@@ -624,7 +624,7 @@ void InlineFlowBox::placeBoxesInBlockDirection(LayoutUnit top, LayoutUnit maxHei
             const FontMetrics& fontMetrics = curr->layoutObject().style(isFirstLineStyle())->fontMetrics();
             newLogicalTop += curr->baselinePosition(baselineType) - fontMetrics.ascent(baselineType);
             if (curr->isInlineFlowBox()) {
-                LayoutBoxModelObject& boxObject = toLayoutBoxModelObject(curr->layoutObject());
+                LineLayoutBoxModel boxObject = LineLayoutBoxModel(curr->lineLayoutItem());
                 newLogicalTop -= boxObject.style(isFirstLineStyle())->isHorizontalWritingMode() ? boxObject.borderTop() + boxObject.paddingTop() :
                     boxObject.borderRight() + boxObject.paddingRight();
                 borderPaddingHeight = boxObject.borderAndPaddingLogicalHeight();