Use fragmented bounding box for hit-test/paint clipping.

Source/core/paint/LayerPainter.cpp

Index: Source/core/paint/LayerPainter.cpp
diff --git a/Source/core/paint/LayerPainter.cpp b/Source/core/paint/LayerPainter.cpp
index 2ad20b6aaa322949775ae0e9ef334e068813d557..e84a473e8442641c3d5febf1f50e201db56d5e29 100644
--- a/Source/core/paint/LayerPainter.cpp
+++ b/Source/core/paint/LayerPainter.cpp
@@ -217,7 +217,7 @@ void LayerPainter::paintLayerContents(GraphicsContext* context, const LayerPaint
                 clipStateSaver.save();
 
                 if (!rootRelativeBoundsComputed) {
-                    rootRelativeBounds = m_renderLayer.physicalBoundingBoxIncludingReflectionAndStackingChildren(paintingInfo.rootLayer, offsetFromRoot);
+                    rootRelativeBounds = m_renderLayer.boundingBoxIncludingReflectionAndStackingChildren(paintingInfo.rootLayer, offsetFromRoot);
                     rootRelativeBoundsComputed = true;
                 }
 
@@ -233,7 +233,7 @@ void LayerPainter::paintLayerContents(GraphicsContext* context, const LayerPaint
                 // case, or if the clip ends up empty.
                 clipStateSaver.save();
                 if (!rootRelativeBoundsComputed) {
-                    rootRelativeBounds = m_renderLayer.physicalBoundingBoxIncludingReflectionAndStackingChildren(paintingInfo.rootLayer, offsetFromRoot);
+                    rootRelativeBounds = m_renderLayer.boundingBoxIncludingReflectionAndStackingChildren(paintingInfo.rootLayer, offsetFromRoot);
                     rootRelativeBoundsComputed = true;
                 }
 
@@ -272,7 +272,7 @@ void LayerPainter::paintLayerContents(GraphicsContext* context, const LayerPaint
         ASSERT(m_renderLayer.filterInfo());
 
         if (!rootRelativeBoundsComputed)
-            rootRelativeBounds = m_renderLayer.physicalBoundingBoxIncludingReflectionAndStackingChildren(paintingInfo.rootLayer, offsetFromRoot);
+            rootRelativeBounds = m_renderLayer.boundingBoxIncludingReflectionAndStackingChildren(paintingInfo.rootLayer, offsetFromRoot);
 
         if (filterPainter.prepareFilterEffect(&m_renderLayer, rootRelativeBounds, paintingInfo.paintDirtyRect)) {