Support subpixel layout for borders.

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

Index: third_party/WebKit/Source/core/layout/api/LineLayoutInline.h
diff --git a/third_party/WebKit/Source/core/layout/api/LineLayoutInline.h b/third_party/WebKit/Source/core/layout/api/LineLayoutInline.h
index adbf92f20a8901a8b0733741aeb80801c61ac026..b01c05bade59aff183d6f661cc5f24ef53d6e5f1 100644
--- a/third_party/WebKit/Source/core/layout/api/LineLayoutInline.h
+++ b/third_party/WebKit/Source/core/layout/api/LineLayoutInline.h
@@ -39,9 +39,9 @@ class LineLayoutInline : public LineLayoutBoxModel {
 
   LayoutUnit marginEnd() const { return toInline()->marginEnd(); }
 
-  int borderStart() const { return toInline()->borderStart(); }
+  LayoutUnit borderStart() const { return toInline()->borderStart(); }
 
-  int borderEnd() const { return toInline()->borderEnd(); }
+  LayoutUnit borderEnd() const { return toInline()->borderEnd(); }
 
   LayoutUnit paddingStart() const { return toInline()->paddingStart(); }