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

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

Index: third_party/WebKit/Source/core/layout/ng/inline/ng_line_box_fragment_builder.cc
diff --git a/third_party/WebKit/Source/core/layout/ng/inline/ng_line_box_fragment_builder.cc b/third_party/WebKit/Source/core/layout/ng/inline/ng_line_box_fragment_builder.cc
index e972c2c052494d9204933f81ce05ad7b9c17798f..8c1b2b5bef7ca0769620323302390e4ca239acf6 100644
--- a/third_party/WebKit/Source/core/layout/ng/inline/ng_line_box_fragment_builder.cc
+++ b/third_party/WebKit/Source/core/layout/ng/inline/ng_line_box_fragment_builder.cc
@@ -42,6 +42,18 @@ void NGLineBoxFragmentBuilder::MoveChildrenInBlockDirection(LayoutUnit delta) {
     offset.block_offset += delta;
 }
 
+void NGLineBoxFragmentBuilder::MoveChildrenInInlineDirection(LayoutUnit delta) {
+  NGWritingMode writing_mode(
+      FromPlatformWritingMode(node_->Style().GetWritingMode()));
+  LayoutUnit child_inline_size;
+  for (size_t i = 0; i < children_.size(); ++i) {
+    offsets_[i].inline_offset = delta + child_inline_size;
+    NGPhysicalFragment* child = children_[i].Get();
+    child_inline_size +=
+        child->Size().ConvertToLogical(writing_mode).inline_size;
+  }
+}
+
 void NGLineBoxFragmentBuilder::MoveChildrenInBlockDirection(LayoutUnit delta,
                                                             unsigned start,
                                                             unsigned end) {