Untangle multicol coordinate space conversion from offsetFromContainer().

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

Index: third_party/WebKit/Source/core/layout/LayoutInline.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutInline.cpp b/third_party/WebKit/Source/core/layout/LayoutInline.cpp
index cc247292209dc553c7ff4e4556d345dd0540fc17..7ba75d8a781b2e2d97b46ee7965b49dc76bbe752 100644
--- a/third_party/WebKit/Source/core/layout/LayoutInline.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutInline.cpp
@@ -1128,7 +1128,7 @@ void LayoutInline::mapToVisibleRectInAncestorSpace(const LayoutBoxModelObject* a
     container->mapToVisibleRectInAncestorSpace(ancestor, rect, paintInvalidationState);
 }
 
-LayoutSize LayoutInline::offsetFromContainer(const LayoutObject* container, const LayoutPoint& point, bool* offsetDependsOnPoint) const
+LayoutSize LayoutInline::offsetFromContainer(const LayoutObject* container) const
 {
     ASSERT(container == this->container());
 
@@ -1136,14 +1136,9 @@ LayoutSize LayoutInline::offsetFromContainer(const LayoutObject* container, cons
     if (isInFlowPositioned())
         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;
 }