Change Widget subclasses to use a CullRect instead of an IntRect for painting.

third_party/WebKit/Source/core/paint/PaintInfo.cpp

Index: third_party/WebKit/Source/core/paint/PaintInfo.cpp
diff --git a/third_party/WebKit/Source/core/paint/PaintInfo.cpp b/third_party/WebKit/Source/core/paint/PaintInfo.cpp
index b930437394c1838896126960ea21f7e1f2361083..41a000812942b11cbdc2874fbc6a06e6672260a1 100644
--- a/third_party/WebKit/Source/core/paint/PaintInfo.cpp
+++ b/third_party/WebKit/Source/core/paint/PaintInfo.cpp
@@ -24,46 +24,9 @@ bool PaintInfo::shouldPaintWithinRoot(const LayoutObject* layoutObject) const
     return !paintingRoot || paintingRoot == layoutObject;
 }
 
-CullRect::CullRect(const CullRect& cullRect, const IntPoint& offset)
-{
-    m_rect = cullRect.m_rect;
-    m_rect.moveBy(offset);
-}
-
-bool CullRect::intersectsCullRect(const IntRect& boundingBox) const
-{
-    return boundingBox.intersects(m_rect);
-}
-
-bool CullRect::intersectsCullRect(const AffineTransform& transform, const FloatRect& boundingBox) const
-{
-    return transform.mapRect(boundingBox).intersects(m_rect);
-}
-
-bool CullRect::intersectsCullRect(const LayoutRect& rectArg) const
-{
-    return m_rect.intersects(enclosingIntRect(rectArg));
-}
-
-bool CullRect::intersectsHorizontalRange(LayoutUnit lo, LayoutUnit hi) const
-{
-    return !(lo >= m_rect.maxX() || hi <= m_rect.x());
-}
-
-bool CullRect::intersectsVerticalRange(LayoutUnit lo, LayoutUnit hi) const
-{
-    return !(lo >= m_rect.maxY() || hi <= m_rect.y());
-}
-
 void PaintInfo::updateCullRect(const AffineTransform& localToParentTransform)
 {
     m_cullRect.updateCullRect(localToParentTransform);
 }
 
-void CullRect::updateCullRect(const AffineTransform& localToParentTransform)
-{
-    if (m_rect != LayoutRect::infiniteIntRect())
-        m_rect = localToParentTransform.inverse().mapRect(m_rect);
-}
-
 } // namespace blink