Pass values in the right flow thread's coordinate space.

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

Index: third_party/WebKit/Source/core/layout/LayoutMultiColumnSet.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutMultiColumnSet.cpp b/third_party/WebKit/Source/core/layout/LayoutMultiColumnSet.cpp
index 7a7aa3dac05ecf807c6afc1a6cecc87cdb9f6541..3a18ce06ac2622a38f08050c5f8bba2f758ffec6 100644
--- a/third_party/WebKit/Source/core/layout/LayoutMultiColumnSet.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutMultiColumnSet.cpp
@@ -118,7 +118,7 @@ LayoutUnit LayoutMultiColumnSet::nextLogicalTopForUnbreakableContent(LayoutUnit
     LayoutUnit firstRowLogicalBottomInFlowThread = firstRow.logicalTopInFlowThread() + firstRow.logicalHeight() * usedColumnCount();
     if (flowThreadOffset >= firstRowLogicalBottomInFlowThread)
         return flowThreadOffset; // We're not in the first row. Give up.
-    LayoutUnit newLogicalHeight = enclosingFragmentationContext->fragmentainerLogicalHeightAt(firstRowLogicalBottomInFlowThread);
+    LayoutUnit newLogicalHeight = enclosingFragmentationContext->fragmentainerLogicalHeightAt(firstRow.blockOffsetInEnclosingFragmentationContext() + firstRow.logicalHeight());
     if (contentLogicalHeight > newLogicalHeight) {
         // The next outer column or page doesn't have enough space either. Give up and stay where
         // we are.