Don't establish LayoutState for LayoutTableRow objects.

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

Index: third_party/WebKit/Source/core/layout/LayoutTableSection.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutTableSection.cpp b/third_party/WebKit/Source/core/layout/LayoutTableSection.cpp
index 533a6fa87a8cd31ebcd23397eda10ee2e811f565..48612f65b6bfb2ac0c6ff3a2e7b15a7409facd76 100644
--- a/third_party/WebKit/Source/core/layout/LayoutTableSection.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutTableSection.cpp
@@ -838,9 +838,8 @@ int LayoutTableSection::calcRowLogicalHeight() {
   LayoutTableCell* cell;
 
   // We may have to forcefully lay out cells here, in which case we need a
-  // layout state. Technically, we should also push state for the row, but since
-  // rows don't push a coordinate transform, that's not necessary.
-  LayoutState state(*this, locationOffset());
+  // layout state.
+  LayoutState state(*this);
 
   m_rowPos.resize(m_grid.size() + 1);
 
@@ -960,7 +959,7 @@ void LayoutTableSection::layout() {
   // it now ensures we have a stable-enough structure.
   m_grid.shrinkToFit();
 
-  LayoutState state(*this, locationOffset());
+  LayoutState state(*this);
 
   const Vector<int>& columnPos = table()->effectiveColumnPositions();
   LayoutUnit rowLogicalTop;
@@ -1137,7 +1136,7 @@ void LayoutTableSection::layoutRows() {
 
   int vspacing = table()->vBorderSpacing();
   unsigned nEffCols = table()->numEffectiveColumns();
-  LayoutState state(*this, locationOffset());
+  LayoutState state(*this);
 
   // Set the rows' location and size.
   for (unsigned r = 0; r < totalRows; r++) {