Clean up break-inside restriction propagation from table headers.

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

Index: third_party/WebKit/Source/core/layout/LayoutTableRow.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutTableRow.cpp b/third_party/WebKit/Source/core/layout/LayoutTableRow.cpp
index 8215fdb98b428b7a0c9a06eb3ac3b8197e22035c..4c98410cef2bf815338d9fd1597b35af6e62610a 100644
--- a/third_party/WebKit/Source/core/layout/LayoutTableRow.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutTableRow.cpp
@@ -258,6 +258,19 @@ bool LayoutTableRow::nodeAtPoint(HitTestResult& result,
   return false;
 }
 
+LayoutBox::PaginationBreakability LayoutTableRow::getPaginationBreakability()
+    const {
+  PaginationBreakability breakability =
+      LayoutTableBoxComponent::getPaginationBreakability();
+  if (breakability == AllowAnyBreaks) {
+    // Even if the row allows us to break inside, we will want to prevent that
+    // if we have a header group that wants to appear at the top of each page.
+    if (const LayoutTableSection* header = table()->header())
+      breakability = header->getPaginationBreakability();
+  }
+  return breakability;
+}
+
 void LayoutTableRow::paint(const PaintInfo& paintInfo,
                            const LayoutPoint& paintOffset) const {
   TableRowPainter(*this).paint(paintInfo, paintOffset);