Support subpixel layout for borders.

third_party/WebKit/Source/core/frame/FrameView.cpp

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999 Lars Knoll <knoll@kde.org>
  *                     1999 Antti Koivisto <koivisto@kde.org>
  *                     2000 Dirk Mueller <mueller@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *           (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
@@ skipping 3462 matching lines @@
     const IntRect& parentRect) const {
   if (const FrameView* parentView = toFrameView(parent())) {
     // Get our layoutObject in the parent view
     LayoutPartItem layoutItem = m_frame->ownerLayoutItem();
     if (layoutItem.isNull())
       return parentRect;
 
     IntRect rect = parentView->convertToLayoutItem(layoutItem, parentRect);
     // Subtract borders and padding
     rect.move((-layoutItem.borderLeft() - layoutItem.paddingLeft()).toInt(),
-              (-layoutItem.borderTop() - layoutItem.paddingTop().toInt()));
+              (-layoutItem.borderTop() - layoutItem.paddingTop()).toInt());
     return rect;
   }
 
   return parentRect;
 }
 
 IntPoint FrameView::convertToContainingWidget(
     const IntPoint& localPoint) const {
   if (const FrameView* parentView = toFrameView(parent())) {
     // Get our layoutObject in the parent view
@@ skipping 1590 matching lines @@
     std::unique_ptr<CompositorAnimationTimeline> timeline) {
   m_animationTimeline = std::move(timeline);
 }
 
 void FrameView::setAnimationHost(
     std::unique_ptr<CompositorAnimationHost> host) {
   m_animationHost = std::move(host);
 }
 
 }  // namespace blink