CL for perf tryjob on linux (collapsed borders, field)

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

Index: third_party/WebKit/Source/core/layout/LayoutTableCell.h
diff --git a/third_party/WebKit/Source/core/layout/LayoutTableCell.h b/third_party/WebKit/Source/core/layout/LayoutTableCell.h
index 5e4c6a44a734d582b07f109d1f715e19ede2259f..e138287ff3f4bf3bb310bfcb0a51717a1ec08b21 100644
--- a/third_party/WebKit/Source/core/layout/LayoutTableCell.h
+++ b/third_party/WebKit/Source/core/layout/LayoutTableCell.h
@@ -270,6 +270,14 @@ public:
 
     const char* name() const override { return "LayoutTableCell"; }
 
+    struct CollapsedBorderValues {
+        CollapsedBorderValue startBorder;
+        CollapsedBorderValue endBorder;
+        CollapsedBorderValue beforeBorder;
+        CollapsedBorderValue afterBorder;
+    };
+    const CollapsedBorderValues* collapsedBorderValues() const { return m_collapsedBorderValues.get(); }
+
 protected:
     void styleDidChange(StyleDifference, const ComputedStyle* oldStyle) override;
     void computePreferredLogicalWidths() override;
@@ -355,6 +363,8 @@ private:
     // because we don't do fractional arithmetic on tables.
     int m_intrinsicPaddingBefore;
     int m_intrinsicPaddingAfter;
+
+    OwnPtr<CollapsedBorderValues> m_collapsedBorderValues;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutTableCell, isTableCell());