Table cell background painting

third_party/WebKit/Source/core/layout/LayoutTable.h

Index: third_party/WebKit/Source/core/layout/LayoutTable.h
diff --git a/third_party/WebKit/Source/core/layout/LayoutTable.h b/third_party/WebKit/Source/core/layout/LayoutTable.h
index a5d51fba85b594f567bca8ec50a642912a4c7f21..a5d5edf7ded440d72daf831323d8aa9d954c421b 100644
--- a/third_party/WebKit/Source/core/layout/LayoutTable.h
+++ b/third_party/WebKit/Source/core/layout/LayoutTable.h
@@ -251,6 +251,7 @@ public:
 
     // This function returns 0 if the table has no non-empty sections.
     LayoutTableSection* topNonEmptySection() const;
+    LayoutTableSection* bottomNonEmptySection() const;
 
     unsigned lastEffectiveColumnIndex() const { return numEffectiveColumns() - 1; }
 
@@ -336,6 +337,10 @@ public:
         return slowColElementAtAbsoluteColumn(absoluteColumnIndex);
     }
 
+    static const unsigned npos = 0xFFFFFFFF;
+
+    unsigned colElementToEffectiveColumn(const LayoutTableCol *) const;
+
     bool needsSectionRecalc() const { return m_needsSectionRecalc; }
     void setNeedsSectionRecalc()
     {