WIP: redirect some LayoutBox methods to ng fragments

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

Index: third_party/WebKit/Source/core/layout/LayoutBox.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutBox.cpp b/third_party/WebKit/Source/core/layout/LayoutBox.cpp
index 85e242f342eff412113a0fca91f4dfa3ec93e381..7550435827d1589bb85142ff9c8c667e5acfb46c 100644
--- a/third_party/WebKit/Source/core/layout/LayoutBox.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutBox.cpp
@@ -84,12 +84,13 @@ static const int autoscrollBeltSize = 20;
 static const unsigned backgroundObscurationTestMaxDepth = 4;
 
 struct SameSizeAsLayoutBox : public LayoutBoxModelObject {
-  LayoutRect frameRect;
+//  LayoutRect frameRect;
   LayoutSize previousSize;
   LayoutUnit intrinsicContentLogicalHeight;
   LayoutRectOutsets marginBoxOutsets;
   LayoutUnit preferredLogicalWidth[2];
   void* pointers[3];
+  RefPtr<NGPhysicalBoxFragment> transitionToLayoutNG;
 };
 
 static_assert(sizeof(LayoutBox) == sizeof(SameSizeAsLayoutBox),
@@ -97,6 +98,7 @@ static_assert(sizeof(LayoutBox) == sizeof(SameSizeAsLayoutBox),
 
 LayoutBox::LayoutBox(ContainerNode* node)
     : LayoutBoxModelObject(node),
+      m_ngPhysicalBoxFragment(adoptRef(new NGPhysicalBoxFragment())),
       m_intrinsicContentLogicalHeight(-1),
       m_minPreferredLogicalWidth(-1),
       m_maxPreferredLogicalWidth(-1),
@@ -511,7 +513,7 @@ LayoutUnit LayoutBox::clientWidth() const {
   // padding box. Another reason: While border side values are currently limited
   // to 2^20px (a recent change in the code), if this limit is raised again in
   // the future, we'd have ill effects of saturated arithmetic otherwise.
-  return (m_frameRect.width() - borderLeft() - borderRight() -
+  return (m_ngPhysicalBoxFragment->Width() - borderLeft() - borderRight() -
           verticalScrollbarWidth())
       .clampNegativeToZero();
 }
@@ -522,7 +524,7 @@ LayoutUnit LayoutBox::clientHeight() const {
   // padding box. Another reason: While border side values are currently limited
   // to 2^20px (a recent change in the code), if this limit is raised again in
   // the future, we'd have ill effects of saturated arithmetic otherwise.
-  return (m_frameRect.height() - borderTop() - borderBottom() -
+  return (m_ngPhysicalBoxFragment->Height() - borderTop() - borderBottom() -
           horizontalScrollbarHeight())
       .clampNegativeToZero();
 }
@@ -732,15 +734,15 @@ void LayoutBox::absoluteQuads(Vector<FloatQuad>& quads,
     flowThread->absoluteQuadsForDescendant(*this, quads, mode);
     return;
   }
-  quads.push_back(
-      localToAbsoluteQuad(FloatRect(0, 0, m_frameRect.width().toFloat(),
-                                    m_frameRect.height().toFloat()),
-                          mode));
+  quads.push_back(localToAbsoluteQuad(
+      FloatRect(0, 0, m_ngPhysicalBoxFragment->Width().toFloat(),
+                m_ngPhysicalBoxFragment->Height().toFloat()),
+      mode));
 }
 
 FloatRect LayoutBox::localBoundingBoxRectForAccessibility() const {
-  return FloatRect(0, 0, m_frameRect.width().toFloat(),
-                   m_frameRect.height().toFloat());
+  return FloatRect(0, 0, m_ngPhysicalBoxFragment->Width().toFloat(),
+                   m_ngPhysicalBoxFragment->Height().toFloat());
 }
 
 void LayoutBox::updateLayerTransformAfterLayout() {