Use appropriate background object visual rect for composited table cell backgrounds.

third_party/WebKit/Source/core/paint/TablePaintInvalidator.cpp

Index: third_party/WebKit/Source/core/paint/TablePaintInvalidator.cpp
diff --git a/third_party/WebKit/Source/core/paint/TablePaintInvalidator.cpp b/third_party/WebKit/Source/core/paint/TablePaintInvalidator.cpp
index ae42aec7653bb485b37f094488470f9829c2f779..ce61c480545f9a7baf63bd7e3b701514a6bc76ff 100644
--- a/third_party/WebKit/Source/core/paint/TablePaintInvalidator.cpp
+++ b/third_party/WebKit/Source/core/paint/TablePaintInvalidator.cpp
@@ -75,10 +75,17 @@ PaintInvalidationReason TablePaintInvalidator::invalidatePaintIfNeeded() {
           }
         }
         if ((!invalidated || row->hasSelfPaintingLayer()) &&
-            row->backgroundChangedSinceLastPaintInvalidation())
-          ObjectPaintInvalidator(*row)
+            row->backgroundChangedSinceLastPaintInvalidation()) {
+          ObjectPaintInvalidator invalidator = ObjectPaintInvalidator(*row);
+          invalidator
               .slowSetPaintingLayerNeedsRepaintAndInvalidateDisplayItemClient(
                   *cell, PaintInvalidationStyleChange);
+          if (cell->usesCompositedCellDisplayItemClients()) {
+            invalidator.invalidateDisplayItemClient(
+                *cell->rowBackgroundDisplayItemClient(),
+                PaintInvalidationStyleChange);
+          }
+        }
       }
     }
   }