Delete PaintInvalidationState. It's unused.

sky/engine/core/rendering/RenderInline.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. 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
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 598 matching lines @@
     if (container->hasOverflowClip())
         offset -= toRenderBox(container)->scrolledContentOffset();
 
     // FIXME(sky): Remove now that it's always false?
     if (offsetDependsOnPoint)
         *offsetDependsOnPoint = false;
 
     return offset;
 }
 
-void RenderInline::mapLocalToContainer(const RenderLayerModelObject* paintInvalidationContainer, TransformState& transformState, MapCoordinatesFlags mode, const PaintInvalidationState* paintInvalidationState) const
+void RenderInline::mapLocalToContainer(const RenderLayerModelObject* paintInvalidationContainer, TransformState& transformState, MapCoordinatesFlags mode) const
 {
     if (paintInvalidationContainer == this)
         return;
 
-    if (paintInvalidationState && paintInvalidationState->canMapToContainer(paintInvalidationContainer)) {
-        LayoutSize offset = paintInvalidationState->paintOffset();
-        if (style()->hasInFlowPosition() && layer())
-            offset += layer()->offsetForInFlowPosition();
-        transformState.move(offset);
-        return;
-    }
-
     bool containerSkipped;
     RenderObject* o = container(paintInvalidationContainer, &containerSkipped);
     if (!o)
         return;
 
     if (mode & ApplyContainerFlip && o->isBox()) {
         mode &= ~ApplyContainerFlip;
     }
 
     LayoutSize containerOffset = offsetFromContainer(o, roundedLayoutPoint(transformState.mappedPoint()));
 
     bool preserve3D = mode & UseTransforms && (o->style()->preserves3D() || style()->preserves3D());
     if (mode & UseTransforms && shouldUseTransformFromContainer(o)) {
         TransformationMatrix t;
         getTransformFromContainer(o, containerOffset, t);
         transformState.applyTransform(t, preserve3D ? TransformState::AccumulateTransform : TransformState::FlattenTransform);
     } else
         transformState.move(containerOffset.width(), containerOffset.height(), preserve3D ? TransformState::AccumulateTransform : TransformState::FlattenTransform);
 
     if (containerSkipped) {
         // There can't be a transform between paintInvalidationContainer and o, because transforms create containers, so it should be safe
         // to just subtract the delta between the paintInvalidationContainer and o.
         LayoutSize containerOffset = paintInvalidationContainer->offsetFromAncestorContainer(o);
         transformState.move(-containerOffset.width(), -containerOffset.height(), preserve3D ? TransformState::AccumulateTransform : TransformState::FlattenTransform);
         return;
     }
 
-    o->mapLocalToContainer(paintInvalidationContainer, transformState, mode, paintInvalidationState);
+    o->mapLocalToContainer(paintInvalidationContainer, transformState, mode);
 }
 
 void RenderInline::updateHitTestResult(HitTestResult& result, const LayoutPoint& point)
 {
     if (result.innerNode())
         return;
 
     Node* n = node();
     LayoutPoint localPoint(point);
     if (n) {
@@ skipping 293 matching lines @@
             pixelSnappedBox.maxY(),
             pixelSnappedBox.maxX() + outlineWidth,
             pixelSnappedBox.maxY() + outlineWidth,
             BSBottom, outlineColor, outlineStyle,
             outlineWidth,
             outlineWidth,
             antialias);
 }
 
 } // namespace blink