[LayoutNG] Implement more text-align values and BiDi base direction

third_party/WebKit/Source/core/layout/ng/inline/ng_inline_item.h

 // Copyright 2017 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 NGInlineItem_h
 #define NGInlineItem_h
 
 #include "platform/LayoutUnit.h"
 #include "platform/fonts/FontFallbackPriority.h"
 #include "platform/fonts/SimpleFontData.h"
@@ skipping 57 matching lines @@
   const char* NGInlineItemTypeToString(int val) const;
 
   const ShapeResult* TextShapeResult() const { return shape_result_.Get(); }
   NGLayoutInlineShapeOptions ShapeOptions() const {
     return static_cast<NGLayoutInlineShapeOptions>(shape_options_);
   }
 
   unsigned StartOffset() const { return start_offset_; }
   unsigned EndOffset() const { return end_offset_; }
   unsigned Length() const { return end_offset_ - start_offset_; }
-  TextDirection Direction() const {
-    return BidiLevel() & 1 ? TextDirection::kRtl : TextDirection::kLtr;
-  }
+  TextDirection Direction() const { return DirectionFromLevel(BidiLevel()); }
   UBiDiLevel BidiLevel() const { return static_cast<UBiDiLevel>(bidi_level_); }
   UScriptCode GetScript() const { return script_; }
   const ComputedStyle* Style() const { return style_.Get(); }
   LayoutObject* GetLayoutObject() const { return layout_object_; }
 
   void SetOffset(unsigned start, unsigned end);
   void SetEndOffset(unsigned);
 
   LayoutUnit InlineSize() const;
   LayoutUnit InlineSize(unsigned start, unsigned end) const;
@@ skipping 79 matching lines @@
 
  private:
   NGInlineItem* start_item_;
   unsigned size_;
   unsigned start_index_;
 };
 
 }  // namespace blink
 
 #endif  // NGInlineItem_h