[New Multicolumn] fast/multicol/multicol-with-child-renderLayer-for-input.html puts the textfield i…

Source/core/rendering/RenderBoxModelObject.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 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google 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
@@ skipping 2727 matching lines @@
 
 void RenderBoxModelObject::mapAbsoluteToLocalPoint(MapCoordinatesFlags mode, TransformState& transformState) const
 {
     // We don't expect to be called during layout.
     ASSERT(!view() || !view()->layoutStateEnabled());
 
     RenderObject* o = container();
     if (!o)
         return;
 
-    // The point inside a box that's inside a region has its coordinates relative to the region,
-    // not the FlowThread that is its container in the RenderObject tree.
-    if (o->isRenderFlowThread() && isRenderBlock()) {
-        // FIXME: switch to Box instead of Block when we'll have range information for boxes as well, not just for blocks.
-        RenderRegion* startRegion;
-        RenderRegion* ignoredEndRegion;
-        toRenderFlowThread(o)->getRegionRangeForBox(toRenderBlock(this), startRegion, ignoredEndRegion);
-        // If there is no region to use the FlowThread, then there's no region range for the content in that FlowThread.
-        // An API like elementFromPoint might crash without this check.
-        if (startRegion)
-            o = startRegion;
-    }
+    if (o->isRenderFlowThread())
+        transformState.move(o->columnOffset(LayoutPoint(transformState.mappedPoint())));
 
     o->mapAbsoluteToLocalPoint(mode, transformState);
 
     LayoutSize containerOffset = offsetFromContainer(o, LayoutPoint());
 
     if (!style()->hasOutOfFlowPosition() && o->hasColumns()) {
         RenderBlock* block = toRenderBlock(o);
         LayoutPoint point(roundedLayoutPoint(transformState.mappedPoint()));
         point -= containerOffset;
         block->adjustForColumnRect(containerOffset, point);
@@ skipping 76 matching lines @@
     ASSERT(!beforeChild || toBoxModelObject == beforeChild->parent());
     for (RenderObject* child = startChild; child && child != endChild; ) {
         // Save our next sibling as moveChildTo will clear it.
         RenderObject* nextSibling = child->nextSibling();
         moveChildTo(toBoxModelObject, child, beforeChild, fullRemoveInsert);
         child = nextSibling;
     }
 }
 
 } // namespace WebCore