Repeat footers in paginated context

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 7d0ffa078a7cbd2a620cd2a3d3a513cbc42e709f..2083590b13609e0f09b0c7b8628529262f64a5e0 100644
--- a/third_party/WebKit/Source/core/layout/LayoutTable.h
+++ b/third_party/WebKit/Source/core/layout/LayoutTable.h
@@ -253,6 +253,18 @@ class CORE_EXPORT LayoutTable final : public LayoutBlock {
     effective_column_positions_[index] = position;
   }
 
+  void SetPositionOfRepeatingFooterGroupOnPage(unsigned page,
+                                               LayoutUnit position) const {

[mstensho (USE GERRIT), 2017/04/24 11:57:16]

Doesn't really look like a const method to me.

+    position_of_repeating_footer_group_on_page_.Grow(page + 1);
+    position_of_repeating_footer_group_on_page_[page] = position;
+  }
+  const LayoutUnit GetPositionOfRepeatingFooterGroupOnPage(int page) const {

[mstensho (USE GERRIT), 2017/04/24 11:57:16]

The previous method uses unsigned. This one uses int. I suppose we can be
consistent? Using int is probably better, even if negative values are not to be
used here.

+    return position_of_repeating_footer_group_on_page_[page];
+  }
+  const Vector<LayoutUnit>& PositionOfRepeatingFooterGroupOnPage() const {
+    return position_of_repeating_footer_group_on_page_;
+  }
+
   LayoutTableSection* Header() const {
     // TODO(mstensho): We should ideally DCHECK(!needsSectionRecalc()) here, but
     // we currently cannot, due to crbug.com/693212
@@ -441,7 +453,7 @@ class CORE_EXPORT LayoutTable final : public LayoutBlock {
     return collapsed_borders_;
   }
 
-  void SubtractCaptionRect(LayoutRect&) const;
+  void SubtractCaptionRect(LayoutRect&, bool after_only = false) const;
 
   bool IsLogicalWidthAuto() const;
 
@@ -551,6 +563,8 @@ class CORE_EXPORT LayoutTable final : public LayoutBlock {
   // numEffectiveColumns() + 1.
   mutable Vector<int> effective_column_positions_;
 
+  mutable Vector<LayoutUnit> position_of_repeating_footer_group_on_page_;
+
   // The captions associated with this object.
   mutable Vector<LayoutTableCaption*> captions_;