*** NOT FOR LANDING *** mapLocalToContainer and offsetFromContainer cleanup.

Source/core/layout/LayoutInline.cpp

Index: Source/core/layout/LayoutInline.cpp
diff --git a/Source/core/layout/LayoutInline.cpp b/Source/core/layout/LayoutInline.cpp
index a7f8d2498b278cc8fcd15b269bcb1b6a5ed8e47a..7fb2268c8141a9111fe60fd1bd20a994e0bb2e57 100644
--- a/Source/core/layout/LayoutInline.cpp
+++ b/Source/core/layout/LayoutInline.cpp
@@ -1126,73 +1126,6 @@ void LayoutInline::mapRectToPaintInvalidationBacking(const LayoutBoxModelObject*
     o->mapRectToPaintInvalidationBacking(paintInvalidationContainer, rect, paintInvalidationState);
 }
 
-LayoutSize LayoutInline::offsetFromContainer(const LayoutObject* container, const LayoutPoint& point, bool* offsetDependsOnPoint) const
-{
-    ASSERT(container == this->container());
-
-    LayoutSize offset;
-    if (isRelPositioned())
-        offset += offsetForInFlowPosition();
-
-    offset += container->columnOffset(point);
-
-    if (container->hasOverflowClip())
-        offset -= toLayoutBox(container)->scrolledContentOffset();
-
-    if (offsetDependsOnPoint)
-        *offsetDependsOnPoint = (container->isBox() && container->style()->isFlippedBlocksWritingMode()) || container->isLayoutFlowThread();
-
-    return offset;
-}
-
-void LayoutInline::mapLocalToContainer(const LayoutBoxModelObject* paintInvalidationContainer, TransformState& transformState, MapCoordinatesFlags mode, bool* wasFixed, const PaintInvalidationState* paintInvalidationState) 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;
-    LayoutObject* o = container(paintInvalidationContainer, &containerSkipped);
-    if (!o)
-        return;
-
-    if (mode & ApplyContainerFlip && o->isBox()) {
-        if (o->style()->isFlippedBlocksWritingMode()) {
-            IntPoint centerPoint = roundedIntPoint(transformState.mappedPoint());
-            transformState.move(toLayoutBox(o)->flipForWritingMode(LayoutPoint(centerPoint)) - centerPoint);
-        }
-        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, wasFixed, paintInvalidationState);
-}
-
 void LayoutInline::updateDragState(bool dragOn)
 {
     LayoutBoxModelObject::updateDragState(dragOn);