[LayoutNG] Implement ComputeMinAndMaxContentSizes for inline

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

Index: third_party/WebKit/Source/core/layout/ng/ng_inline_node.h
diff --git a/third_party/WebKit/Source/core/layout/ng/ng_inline_node.h b/third_party/WebKit/Source/core/layout/ng/ng_inline_node.h
index 392ddc205e745ad79abd7bea837639ee94165e40..23908cbe23bfbb5ece0eeafb96ecfbd850029c0d 100644
--- a/third_party/WebKit/Source/core/layout/ng/ng_inline_node.h
+++ b/third_party/WebKit/Source/core/layout/ng/ng_inline_node.h
@@ -22,6 +22,7 @@ class ComputedStyle;
 class LayoutBlockFlow;
 class LayoutObject;
 class LayoutUnit;
+struct MinAndMaxContentSizes;
 class NGConstraintSpace;
 class NGLayoutInlineItem;
 class NGLayoutInlineItemRange;
@@ -39,6 +40,7 @@ class CORE_EXPORT NGInlineNode : public NGLayoutInputNode {
 
   RefPtr<NGLayoutResult> Layout(NGConstraintSpace*) override;
   void LayoutInline(NGConstraintSpace*, NGLineBuilder*);
+  MinAndMaxContentSizes ComputeMinAndMaxContentSizes();
   NGInlineNode* NextSibling() override;
   LayoutObject* GetLayoutObject() override;
 
@@ -46,6 +48,9 @@ class CORE_EXPORT NGInlineNode : public NGLayoutInputNode {
   // calling the Layout method.
   void PrepareLayout();
 
+  bool IsPrepareLayoutFinished() const { return !items_.isEmpty(); }
+  void InvalidatePrepareLayout();
+
   const String& Text() const { return text_content_; }
   String Text(unsigned start_offset, unsigned end_offset) const {
     return text_content_.substring(start_offset, end_offset);