Changed type of border-width longhands from unsigned to float.

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 418 matching lines @@
     return snapSizeToPixel(offsetHeight(), location().y() + clientTop());
 }
 
 LayoutUnit LayoutBox::scrollWidth() const
 {
     if (hasOverflowClip())
         return layer()->scrollableArea()->scrollWidth();
     // For objects with visible overflow, this matches IE.
     // FIXME: Need to work right with writing modes.
     if (style()->isLeftToRightDirection())
-        return std::max(clientWidth(), layoutOverflowRect().maxX() - borderLeft());
-    return clientWidth() - std::min(LayoutUnit(), layoutOverflowRect().x() - borderLeft());
+        return std::max(clientWidth(), static_cast<LayoutUnit>((layoutOverflowRect().maxX() - borderLeft())));
+    return clientWidth() - std::min(LayoutUnit(), static_cast<LayoutUnit>((layoutOverflowRect().x() - borderLeft())));
 }
 
 LayoutUnit LayoutBox::scrollHeight() const
 {
     if (hasOverflowClip())
         return layer()->scrollableArea()->scrollHeight();
     // For objects with visible overflow, this matches IE.
     // FIXME: Need to work right with writing modes.
-    return std::max(clientHeight(), layoutOverflowRect().maxY() - borderTop());
+    return std::max(clientHeight(), LayoutUnit((layoutOverflowRect().maxY() - borderTop())));
 }
 
 LayoutUnit LayoutBox::scrollLeft() const
 {
     return hasOverflowClip() ? layer()->scrollableArea()->scrollXOffset() : 0;
 }
 
 LayoutUnit LayoutBox::scrollTop() const
 {
     return hasOverflowClip() ? layer()->scrollableArea()->scrollYOffset() : 0;
@@ skipping 4191 matching lines @@
 
 void LayoutBox::clearPercentHeightDescendants()
 {
     for (LayoutObject* curr = slowFirstChild(); curr; curr = curr->nextInPreOrder(this)) {
         if (curr->isBox())
             toLayoutBox(curr)->removeFromPercentHeightContainer();
     }
 }
 
 } // namespace blink