[Layout API] Remove ownerLayoutObject() from layout/LayoutView

third_party/WebKit/Source/core/layout/LayoutView.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 14 matching lines @@
 #include "core/editing/FrameSelection.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/Settings.h"
 #include "core/html/HTMLIFrameElement.h"
 #include "core/layout/HitTestResult.h"
 #include "core/layout/LayoutGeometryMap.h"
 #include "core/layout/LayoutMedia.h"
 #include "core/layout/LayoutPart.h"
 #include "core/layout/ViewFragmentationContext.h"
+#include "core/layout/api/LayoutAPIShim.h"
 #include "core/layout/compositing/PaintLayerCompositor.h"
 #include "core/page/Page.h"
 #include "core/paint/PaintLayer.h"
 #include "core/paint/ViewPainter.h"
 #include "core/svg/SVGDocumentExtensions.h"
 #include "platform/Histogram.h"
 #include "platform/TraceEvent.h"
 #include "platform/TracedValue.h"
 #include "platform/geometry/FloatQuad.h"
 #include "platform/geometry/TransformState.h"
@@ skipping 298 matching lines @@
     LayoutSize offset;
     LayoutObject* container = nullptr;
 
     if (m_frameView) {
         offsetForFixedPosition = LayoutSize(LayoutSize(m_frameView->scrollOffset()));
         if (hasOverflowClip())
             offsetForFixedPosition = LayoutSize(scrolledContentOffset());
     }
 
     if (geometryMap.getMapCoordinatesFlags() & TraverseDocumentBoundaries) {
-        if (LayoutPart* parentDocLayoutObject = frame()->ownerLayoutObject()) {
+        if (LayoutPart* parentDocLayoutObject = toLayoutPart(LayoutAPIShim::layoutObjectFrom(frame()->ownerLayoutItem()))) {
             offset = -LayoutSize(m_frameView->scrollOffset());
             offset += parentDocLayoutObject->contentBoxOffset();
             container = parentDocLayoutObject;
         }
     }
 
     // If a container was specified, and was not 0 or the LayoutView, then we
     // should have found it by now unless we're traversing to a parent document.
     DCHECK(!ancestorToStopAt || ancestorToStopAt == this || container);
 
     if ((!ancestorToStopAt || container) && shouldUseTransformFromContainer(container)) {
         TransformationMatrix t;
         getTransformFromContainer(container, LayoutSize(), t);
         geometryMap.push(this, t, ContainsFixedPosition, offsetForFixedPosition);
     } else {
         geometryMap.push(this, offset, 0, offsetForFixedPosition);
     }
 
     return container;
 }
 
 void LayoutView::mapAncestorToLocal(const LayoutBoxModelObject* ancestor, TransformState& transformState, MapCoordinatesFlags mode) const
 {
     if (this == ancestor)
         return;
 
     if (mode & TraverseDocumentBoundaries) {
-        if (LayoutPart* parentDocLayoutObject = frame()->ownerLayoutObject()) {
+        if (LayoutPart* parentDocLayoutObject = toLayoutPart(LayoutAPIShim::layoutObjectFrom(frame()->ownerLayoutItem()))) {
             // A LayoutView is a containing block for fixed-position elements, so don't carry this state across frames.
             parentDocLayoutObject->mapAncestorToLocal(ancestor, transformState, mode & ~IsFixed);
 
             transformState.move(parentDocLayoutObject->contentBoxOffset());
             transformState.move(-frame()->view()->scrollOffset());
         }
     } else {
         ASSERT(!ancestor);
     }
 
@@ skipping 597 matching lines @@
     // of this override. All frame scrolling should be handled by
     // ViewportScrollCallback.
 
     if (!frameView())
         return ScrollResult(false, false, delta.width(), delta.height());
 
     return frameView()->getScrollableArea()->userScroll(granularity, delta);
 }
 
 } // namespace blink