Support edge-inclusive intersections in mapToVisibleRectInAncestorSpace

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

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  *
  * Portions are Copyright (C) 1998 Netscape Communications Corporation.
  *
  * Other contributors:
  *   Robert O'Callahan <roc+@cs.cmu.edu>
  *   David Baron <dbaron@fas.harvard.edu>
  *   Christian Biesinger <cbiesinger@web.de>
  *   Randall Jesup <rjesup@wgate.com>
@@ skipping 577 matching lines @@
     // |paintInvalidationContainer| may have a local 2D transform on it, so take that into account when mapping into the space of the
     // transformed ancestor.
     rect = LayoutRect(paintInvalidationContainer->localToAncestorQuad(FloatRect(rect), transformedAncestor).boundingBox());
 
     rect.moveBy(-paintInvalidationLayer->groupedMapping()->squashingOffsetFromTransformedAncestor());
 }
 
 void PaintLayer::mapRectToPaintInvalidationBacking(const LayoutObject* layoutObject, const LayoutBoxModelObject* paintInvalidationContainer, LayoutRect& rect, const PaintInvalidationState* paintInvalidationState)
 {
     if (!paintInvalidationContainer->layer()->groupedMapping()) {
-        layoutObject->mapToVisibleRectInAncestorSpace(paintInvalidationContainer, rect, paintInvalidationState);
+        layoutObject->mapToVisibleRectInAncestorSpace(paintInvalidationContainer, rect, paintInvalidationState, false);
         return;
     }
 
     // This code adjusts the paint invalidation rectangle to be in the space of the transformed ancestor of the grouped (i.e. squashed)
     // layer. This is because all layers that squash together need to issue paint invalidations w.r.t. a single container that is
     // an ancestor of all of them, in order to properly take into account any local transforms etc.
     // FIXME: remove this special-case code that works around the paint invalidation code structure.
-    layoutObject->mapToVisibleRectInAncestorSpace(paintInvalidationContainer, rect, paintInvalidationState);
+    layoutObject->mapToVisibleRectInAncestorSpace(paintInvalidationContainer, rect, paintInvalidationState, false);
 
     mapRectToPaintBackingCoordinates(paintInvalidationContainer, rect);
 }
 
 LayoutRect PaintLayer::computePaintInvalidationRect(const LayoutObject& layoutObject, const PaintLayer* paintInvalidationContainer, const PaintInvalidationState* paintInvalidationState)
 {
     if (!paintInvalidationContainer->groupedMapping())
         return layoutObject.computePaintInvalidationRect(*paintInvalidationContainer->layoutObject(), paintInvalidationState);
 
     LayoutRect rect = layoutObject.clippedOverflowRectForPaintInvalidation(paintInvalidationContainer->layoutObject(), paintInvalidationState);
@@ skipping 2218 matching lines @@
 
 void showLayerTree(const blink::LayoutObject* layoutObject)
 {
     if (!layoutObject) {
         fprintf(stderr, "Cannot showLayerTree. Root is (nil)\n");
         return;
     }
     showLayerTree(layoutObject->enclosingLayer());
 }
 #endif