[LayoutNG] Add Bidi reordering and fill in NGPhysicalTextFragment

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

Index: third_party/WebKit/Source/core/layout/ng/ng_text_layout_algorithm.h
diff --git a/third_party/WebKit/Source/core/layout/ng/ng_text_layout_algorithm.h b/third_party/WebKit/Source/core/layout/ng/ng_text_layout_algorithm.h
index c286ffb3031c9bfeb02be543049fb2bc637e774c..3b3e317110168f8c4def7a32c4058ab8e9db96ad 100644
--- a/third_party/WebKit/Source/core/layout/ng/ng_text_layout_algorithm.h
+++ b/third_party/WebKit/Source/core/layout/ng/ng_text_layout_algorithm.h
@@ -12,7 +12,10 @@ namespace blink {
 
 class NGBreakToken;
 class NGConstraintSpace;
+class NGFragmentBase;
 class NGInlineNode;
+class NGLayoutInlineItemRange;
+struct NGLogicalOffset;
 
 // A class for text layout. This takes a NGInlineNode which consists only
 // non-atomic inlines and produces NGTextFragments.
@@ -37,9 +40,20 @@ class CORE_EXPORT NGTextLayoutAlgorithm : public NGLayoutAlgorithm {
   DECLARE_VIRTUAL_TRACE();
 
  private:
+  unsigned CreateLine(unsigned start_index,
+                      const NGConstraintSpace&,
+                      HeapVector<Member<NGFragmentBase>>*,
+                      Vector<NGLogicalOffset>*);
+  void CreateLine(const NGLayoutInlineItemRange&,
+                  const NGConstraintSpace&,
+                  HeapVector<Member<NGFragmentBase>>*,
+                  Vector<NGLogicalOffset>*);
+
   Member<NGInlineNode> inline_box_;
   Member<NGConstraintSpace> constraint_space_;
   Member<NGBreakToken> break_token_;
+
+  friend class NGInlineNodeTest;
 };
 
 }  // namespace blink