Repeat footers in paginated context

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

Index: third_party/WebKit/Source/core/layout/LayoutBlockFlow.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutBlockFlow.cpp b/third_party/WebKit/Source/core/layout/LayoutBlockFlow.cpp
index 1c653aff8018b9e432844329a840fa11fc901833..1edb17a3d5bc4c4a3abdcad3f8e69ca04f036ac7 100644
--- a/third_party/WebKit/Source/core/layout/LayoutBlockFlow.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutBlockFlow.cpp
@@ -1149,7 +1149,11 @@ void LayoutBlockFlow::AdjustLinePositionForPagination(RootInlineBox& line_box,
   LayoutUnit remaining_logical_height = PageRemainingLogicalHeightForOffset(
       logical_offset, kAssociateWithLatterPage);
   int line_index = LineCount(&line_box);
-  if (remaining_logical_height < line_height ||
+  // We need to detect if we overlap a repeating footer and if so take the
+  // full remaining logical height as our strut to the next page.
+  LayoutUnit remaining_logical_height_including_footer =
+      remaining_logical_height - layout_state->HeightOffsetForTableFooters();
+  if (remaining_logical_height_including_footer < line_height ||
       (ShouldBreakAtLineToAvoidWidow() &&
        LineBreakToAvoidWidow() == line_index)) {
     LayoutUnit pagination_strut = CalculatePaginationStrutToFitContent(
@@ -1256,7 +1260,10 @@ LayoutUnit LayoutBlockFlow::AdjustForUnsplittableChild(
     return logical_offset;
   LayoutUnit remaining_logical_height = PageRemainingLogicalHeightForOffset(
       logical_offset, kAssociateWithLatterPage);
-  if (remaining_logical_height >= child_logical_height)
+  LayoutUnit remaining_logical_height_including_footer =
+      remaining_logical_height -
+      View()->GetLayoutState()->HeightOffsetForTableFooters();
+  if (remaining_logical_height_including_footer >= child_logical_height)
     return logical_offset;  // It fits fine where it is. No need to break.
   LayoutUnit pagination_strut = CalculatePaginationStrutToFitContent(
       logical_offset, remaining_logical_height, child_logical_height);