[cleanup] Remove some dead table pagination code.

There should be no behaviour change.

Change-Id: I95e258c66b2d79b8cb172fbae97f6716c2cf66c0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1736438
Commit-Queue: Ian Kilpatrick <ikilpatrick@chromium.org>
Commit-Queue: Morten Stenshorne <mstensho@chromium.org>
Auto-Submit: Ian Kilpatrick <ikilpatrick@chromium.org>
Reviewed-by: Morten Stenshorne <mstensho@chromium.org>
Cr-Commit-Position: refs/heads/master@{#684084}

third_party/blink/renderer/core/layout/layout_state.cc

@@ -116,12 +116,4 @@ LayoutState::~LayoutState() {
   }
 }
 
-LayoutUnit LayoutState::PageLogicalOffset(
-    const LayoutBox& child,
-    const LayoutUnit& child_logical_offset) const {
-  if (child.IsHorizontalWritingMode())
-    return pagination_offset_.Height() + child_logical_offset;
-  return pagination_offset_.Width() + child_logical_offset;
-}
-
 }  // namespace blink

third_party/blink/renderer/core/layout/layout_state.h

@@ -76,12 +76,6 @@ class LayoutState {
 
   bool IsPaginated() const { return is_paginated_; }
 
-  // The page logical offset is the object's offset from the top of the page in
-  // the page progression direction (so an x-offset in vertical text and a
-  // y-offset for horizontal text).
-  LayoutUnit PageLogicalOffset(const LayoutBox&,
-                               const LayoutUnit& child_logical_offset) const;
-
   LayoutUnit HeightOffsetForTableHeaders() const {
     return height_offset_for_table_headers_;
   }

third_party/blink/renderer/core/layout/layout_table.cc

@@ -849,11 +849,6 @@ void LayoutTable::UpdateLayout() {
 
     ComputeLayoutOverflow(ClientLogicalBottom());
     UpdateAfterLayout();
-
-    if (state.IsPaginated() && IsPageLogicalHeightKnown()) {
-      block_offset_to_first_repeatable_header_ = state.PageLogicalOffset(
-          *this, top_section ? top_section->LogicalTop() : LayoutUnit());
-    }
   }
 
   // FIXME: This value isn't the intrinsic content logical height, but we need

third_party/blink/renderer/core/layout/layout_table.h

@@ -398,13 +398,6 @@ class CORE_EXPORT LayoutTable final : public LayoutBlock {
 
   bool IsLogicalWidthAuto() const;
 
-  // When table headers are repeated, we need to know the offset from the block
-  // start of the fragmentation context to the first occurrence of the table
-  // header.
-  LayoutUnit BlockOffsetToFirstRepeatableHeader() const {
-    return block_offset_to_first_repeatable_header_;
-  }
-
   const char* GetName() const override { return "LayoutTable"; }
 
   // Whether a table has opaque foreground depends on many factors, e.g. border
@@ -603,7 +596,6 @@ class CORE_EXPORT LayoutTable final : public LayoutBlock {
   mutable unsigned collapsed_outer_border_start_overflow_;
   mutable unsigned collapsed_outer_border_end_overflow_;
 
-  LayoutUnit block_offset_to_first_repeatable_header_;
   LayoutUnit row_offset_from_repeating_header_;
   LayoutUnit row_offset_from_repeating_footer_;
   LayoutUnit old_available_logical_height_;