[LayoutNG] Implement atomic inlines for LayoutNGInline

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

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NGInlineNode_h
 #define NGInlineNode_h
 
 #include "core/CoreExport.h"
 #include "core/layout/LayoutBlockFlow.h"
 #include "core/layout/ng/ng_layout_input_node.h"
@@ skipping 119 matching lines @@
   unsigned StartOffset() const { return start_offset_; }
   unsigned EndOffset() const { return end_offset_; }
   TextDirection Direction() const {
     return bidi_level_ & 1 ? TextDirection::kRtl : TextDirection::kLtr;
   }
   UBiDiLevel BidiLevel() const { return bidi_level_; }
   UScriptCode Script() const { return script_; }
   const ComputedStyle* Style() const { return style_; }
   LayoutObject* GetLayoutObject() const { return layout_object_; }
 
+  bool IsAtomicInlineLevel() const {
+    return layout_object_ && layout_object_->isAtomicInlineLevel();
+  }
+
   void SetEndOffset(unsigned);
 
   LayoutUnit InlineSize() const;
   LayoutUnit InlineSize(unsigned start, unsigned end) const;
 
+  // Layout this item. Only valid for IsAtomicInlineLevel() items.
+  RefPtr<NGLayoutResult> Layout(const NGConstraintSpace& parent_space) const;
+
   void GetFallbackFonts(HashSet<const SimpleFontData*>*,
                         unsigned start,
                         unsigned end) const;
 
   static void Split(Vector<NGLayoutInlineItem>&,
                     unsigned index,
                     unsigned offset);
   static unsigned SetBidiLevel(Vector<NGLayoutInlineItem>&,
                                unsigned index,
                                unsigned end_offset,
@@ skipping 73 matching lines @@
 
  private:
   NGLayoutInlineItem* start_item_;
   unsigned size_;
   unsigned start_index_;
 };
 
 }  // namespace blink
 
 #endif  // NGInlineNode_h