Move pushMappingToContainer to RenderBoxModelObject

Source/core/rendering/RenderBox.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Adobe Systems Incorporated. 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
@@ skipping 1695 matching lines @@
         LayoutSize containerOffset = repaintContainer->offsetFromAncestorContainer(o);
         transformState.move(-containerOffset.width(), -containerOffset.height(), preserve3D ? TransformState::AccumulateTransform : TransformState::FlattenTransform);
         return;
     }
 
     mode &= ~ApplyContainerFlip;
 
     o->mapLocalToContainer(repaintContainer, transformState, mode, wasFixed);
 }
 
-const RenderObject* RenderBox::pushMappingToContainer(const RenderLayerModelObject* ancestorToStopAt, RenderGeometryMap& geometryMap) const
-{
-    ASSERT(ancestorToStopAt != this);
-
-    bool ancestorSkipped;
-    RenderObject* container = this->container(ancestorToStopAt, &ancestorSkipped);
-    if (!container)
-        return 0;
-
-    bool isFixedPos = style()->position() == FixedPosition;
-    bool hasTransform = hasLayer() && layer()->transform();
-
-    LayoutSize adjustmentForSkippedAncestor;
-    if (ancestorSkipped) {
-        // There can't be a transform between repaintContainer and o, because transforms create containers, so it should be safe
-        // to just subtract the delta between the ancestor and o.
-        adjustmentForSkippedAncestor = -ancestorToStopAt->offsetFromAncestorContainer(container);
-    }
-
-    bool offsetDependsOnPoint = false;
-    LayoutSize containerOffset = offsetFromContainer(container, LayoutPoint(), &offsetDependsOnPoint);
-
-    bool preserve3D = container->style()->preserves3D() || style()->preserves3D();
-    if (shouldUseTransformFromContainer(container)) {
-        TransformationMatrix t;
-        getTransformFromContainer(container, containerOffset, t);
-        t.translateRight(adjustmentForSkippedAncestor.width(), adjustmentForSkippedAncestor.height());
-        
-        geometryMap.push(this, t, preserve3D, offsetDependsOnPoint, isFixedPos, hasTransform);
-    } else {
-        containerOffset += adjustmentForSkippedAncestor;
-        geometryMap.push(this, containerOffset, preserve3D, offsetDependsOnPoint, isFixedPos, hasTransform);
-    }
-    
-    return ancestorSkipped ? ancestorToStopAt : container;
-}
-
 void RenderBox::mapAbsoluteToLocalPoint(MapCoordinatesFlags mode, TransformState& transformState) const
 {
     // We don't expect to be called during layout.
     ASSERT(!view() || !view()->layoutStateEnabled());
 
     bool isFixedPos = style()->position() == FixedPosition;
     bool hasTransform = hasLayer() && layer()->transform();
     if (hasTransform && !isFixedPos) {
         // If this box has a transform, it acts as a fixed position container for fixed descendants,
         // and may itself also be fixed position. So propagate 'fixed' up only if this box is fixed position.
@@ skipping 2835 matching lines @@
 
 void RenderBox::reportStaticMembersMemoryUsage(MemoryInstrumentation* memoryInstrumentation)
 {
     memoryInstrumentation->addRootObject(gOverrideHeightMap, WebCoreMemoryTypes::RenderingStructures);
     memoryInstrumentation->addRootObject(gOverrideWidthMap, WebCoreMemoryTypes::RenderingStructures);
     memoryInstrumentation->addRootObject(gOverrideContainingBlockLogicalHeightMap, WebCoreMemoryTypes::RenderingStructures);
     memoryInstrumentation->addRootObject(gOverrideContainingBlockLogicalWidthMap, WebCoreMemoryTypes::RenderingStructures);
 }
 
 } // namespace WebCore