Support subpixel layout for borders.

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

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef LineLayoutBoxModel_h
 #define LineLayoutBoxModel_h
 
 #include "core/layout/LayoutBoxModelObject.h"
 #include "core/layout/api/LineLayoutItem.h"
 #include "platform/LayoutUnit.h"
@@ skipping 65 matching lines @@
   LayoutUnit paddingBottom() const { return toBoxModel()->paddingBottom(); }
 
   LayoutUnit paddingLeft() const { return toBoxModel()->paddingLeft(); }
 
   LayoutUnit paddingRight() const { return toBoxModel()->paddingRight(); }
 
   LayoutUnit paddingBefore() const { return toBoxModel()->paddingBefore(); }
 
   LayoutUnit paddingAfter() const { return toBoxModel()->paddingAfter(); }
 
-  int borderTop() const { return toBoxModel()->borderTop(); }
+  LayoutUnit borderTop() const { return toBoxModel()->borderTop(); }
 
-  int borderBottom() const { return toBoxModel()->borderBottom(); }
+  LayoutUnit borderBottom() const { return toBoxModel()->borderBottom(); }
 
-  int borderLeft() const { return toBoxModel()->borderLeft(); }
+  LayoutUnit borderLeft() const { return toBoxModel()->borderLeft(); }
 
-  int borderRight() const { return toBoxModel()->borderRight(); }
+  LayoutUnit borderRight() const { return toBoxModel()->borderRight(); }
 
-  int borderBefore() const { return toBoxModel()->borderBefore(); }
+  LayoutUnit borderBefore() const { return toBoxModel()->borderBefore(); }
 
-  int borderAfter() const { return toBoxModel()->borderAfter(); }
+  LayoutUnit borderAfter() const { return toBoxModel()->borderAfter(); }
 
   LayoutSize relativePositionLogicalOffset() const {
     return toBoxModel()->relativePositionLogicalOffset();
   }
 
   bool hasInlineDirectionBordersOrPadding() const {
     return toBoxModel()->hasInlineDirectionBordersOrPadding();
   }
 
   LayoutUnit borderAndPaddingOver() const {
@@ skipping 21 matching lines @@
   }
 };
 
 inline LineLayoutBoxModel LineLayoutItem::enclosingBoxModelObject() const {
   return LineLayoutBoxModel(layoutObject()->enclosingBoxModelObject());
 }
 
 }  // namespace blink
 
 #endif  // LineLayoutBoxModel_h