Add a basic support of text-align:right property to NGInlineLayoutAlgorithm.

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

 // 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.
 
 #include "core/layout/ng/inline/ng_inline_layout_algorithm.h"
 
 #include "core/layout/ng/inline/ng_bidi_paragraph.h"
 #include "core/layout/ng/inline/ng_inline_break_token.h"
 #include "core/layout/ng/inline/ng_inline_node.h"
 #include "core/layout/ng/inline/ng_line_box_fragment.h"
@@ skipping 297 matching lines @@
   // and block_start do not match.
 
   // Up until this point, children are placed so that the dominant baseline is
   // at 0. Move them to the final baseline position, and set the logical top of
   // the line box to the line top.
   line_box.MoveChildrenInBlockDirection(baseline);
 
   DCHECK_EQ(line_left_position, LogicalLeftOffset());
   LayoutUnit inline_size = position - line_left_position;
   line_box.SetInlineSize(inline_size);
+
+  // Account for text align property.
+  if (Node()->Style().GetTextAlign() == ETextAlign::kRight) {
+    line_box.MoveChildrenInInlineDirection(
+        current_opportunity_.size.inline_size - inline_size);
+  }
+
   container_builder_.AddChild(
       line_box.ToLineBoxFragment(),
       {LayoutUnit(), baseline - box_states_.LineBoxState().metrics.ascent});
 
   max_inline_size_ = std::max(max_inline_size_, inline_size);
   content_size_ = line_bottom;
   return true;
 }
 
 // TODO(kojii): Currently, this function does not change item_result, but
@@ skipping 82 matching lines @@
   // Margin struts shouldn't need to be passed through like this once we've
   // removed LayoutInline splitting.
   if (!container_builder_.BfcOffset()) {
     container_builder_.SetEndMarginStrut(ConstraintSpace().MarginStrut());
   }
 
   return container_builder_.ToBoxFragment();
 }
 
 }  // namespace blink