[LayoutNG] Store inline-cb in OOFPositionedDescendant

Part 2 of inline containing block patch.
Stores inline-cb on NGOutOfFlowPositionedDescendant

Bug: 740993
Cq-Include-Trybots: master.tryserver.chromium.linux:linux_layout_tests_layout_ng
Change-Id: Ib3ed1dfe654f691f38a2ee0069177bc78fca51ce
Reviewed-on: https://chromium-review.googlesource.com/804994
Commit-Queue: Aleks Totic <atotic@chromium.org>
Reviewed-by: Koji Ishii <kojii@chromium.org>
Cr-Commit-Position: refs/heads/master@{#521576}

third_party/WebKit/Source/core/layout/ng/inline/ng_inline_layout_algorithm.cc

@@ -228,7 +228,8 @@ void NGInlineLayoutAlgorithm::PlaceItems(
       NGBlockNode node(ToLayoutBox(item.GetLayoutObject()));
       container_builder_.AddInlineOutOfFlowChildCandidate(
           node, NGLogicalOffset(position, LayoutUnit()),
-          line_info->BaseDirection());
+          line_info->BaseDirection(),
+          box_states_->ContainingLayoutObjectForAbsolutePositionObjects());
       continue;
     } else {
       continue;
@@ -688,7 +689,7 @@ unsigned NGInlineLayoutAlgorithm::PositionLeadingItems(
                item.Type() == NGInlineItem::kOutOfFlowPositioned) {
       NGBlockNode node(ToLayoutBox(item.GetLayoutObject()));
       container_builder_.AddInlineOutOfFlowChildCandidate(
-          node, NGLogicalOffset(), Style().Direction());
+          node, NGLogicalOffset(), Style().Direction(), nullptr);
     }
 
     // Abort if we've found something that makes this a non-empty inline.

third_party/WebKit/Source/core/layout/ng/inline/ng_line_breaker.cc

@@ -585,6 +585,9 @@ void NGLineBreaker::HandleOpenTag(const NGInlineItem& item,
       line_.should_create_line_box |= item_result->needs_box_when_empty;
     }
   }
+  item_result->needs_box_when_empty |=
+      style.CanContainAbsolutePositionObjects() ||
+      style.CanContainFixedPositionObjects();
   SetCurrentStyle(style);
   MoveToNextOf(item);
 }

third_party/WebKit/Source/core/layout/ng/ng_container_fragment_builder.cc

@@ -125,12 +125,15 @@ NGContainerFragmentBuilder&
 NGContainerFragmentBuilder::AddInlineOutOfFlowChildCandidate(
     NGBlockNode child,
     const NGLogicalOffset& child_offset,
-    TextDirection line_direction) {
+    TextDirection line_direction,
+    LayoutObject* inline_container) {
   DCHECK(child);
   oof_positioned_candidates_.push_back(NGOutOfFlowPositionedCandidate(
-      NGOutOfFlowPositionedDescendant{
-          child, NGStaticPosition::Create(GetWritingMode(), line_direction,
-                                          NGPhysicalOffset())},
+      NGOutOfFlowPositionedDescendant(
+          child,
+          NGStaticPosition::Create(GetWritingMode(), line_direction,
+                                   NGPhysicalOffset()),
+          inline_container),
       child_offset, line_direction));
 
   child.SaveStaticOffsetForLegacy(child_offset);

third_party/WebKit/Source/core/layout/ng/ng_container_fragment_builder.h

@@ -98,7 +98,8 @@ class CORE_EXPORT NGContainerFragmentBuilder : public NGBaseFragmentBuilder {
   NGContainerFragmentBuilder& AddInlineOutOfFlowChildCandidate(
       NGBlockNode,
       const NGLogicalOffset& child_line_offset,
-      TextDirection line_direction);
+      TextDirection line_direction,
+      LayoutObject* inline_container);
 
   NGContainerFragmentBuilder& AddOutOfFlowDescendant(
       NGOutOfFlowPositionedDescendant);

third_party/WebKit/Source/core/layout/ng/ng_out_of_flow_positioned_descendant.h

@@ -25,6 +25,14 @@ namespace blink {
 struct CORE_EXPORT NGOutOfFlowPositionedDescendant {
   NGBlockNode node;
   NGStaticPosition static_position;
+  LayoutObject* inline_container;
+  NGOutOfFlowPositionedDescendant(
+      NGBlockNode node_param,
+      NGStaticPosition static_position_param,
+      LayoutObject* inline_container_param = nullptr)
+      : node(node_param),
+        static_position(static_position_param),
+        inline_container(inline_container_param) {}
 };
 
 }  // namespace blink