(WIP) Invalidation during painting (for synchronized painting)

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

Index: third_party/WebKit/Source/core/layout/LayoutTable.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutTable.cpp b/third_party/WebKit/Source/core/layout/LayoutTable.cpp
index aa62071142fcc9df8fcacffe04b5a3a413590236..7dfd53994139a4794f7cf223fedb65c8255d4d96 100644
--- a/third_party/WebKit/Source/core/layout/LayoutTable.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutTable.cpp
@@ -1401,11 +1401,7 @@ PaintInvalidationReason LayoutTable::invalidatePaintIfNeeded(PaintInvalidationSt
     // Information of collapsed borders doesn't affect layout and are for painting only.
     // Do it now instead of during painting to invalidate table cells if needed.
     recalcCollapsedBordersIfNeeded();
-    return LayoutBlock::invalidatePaintIfNeeded(paintInvalidationState, paintInvalidationContainer);
-}
 
-void LayoutTable::invalidatePaintOfSubtreesIfNeeded(PaintInvalidationState& childPaintInvalidationState)
-{
     // Table cells paint background from the containing column group, column, section and row.
     // If background of any of them changed, we need to invalidate all affected cells.
     // Here use shouldDoFullPaintInvalidation() as a broader condition of background change.
@@ -1432,7 +1428,7 @@ void LayoutTable::invalidatePaintOfSubtreesIfNeeded(PaintInvalidationState& chil
         }
     }
 
-    LayoutBlock::invalidatePaintOfSubtreesIfNeeded(childPaintInvalidationState);
+    return LayoutBlock::invalidatePaintIfNeeded(paintInvalidationState, paintInvalidationContainer);
 }
 
 LayoutUnit LayoutTable::paddingTop() const