[FlexNG] Set TextDirection in item constraint spaces

RTL items weren't positioning their children correctly.

Bug: 845235
Change-Id: Ic0ff8e8417a638a4da88eea574877c7b469106e4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1906942Reviewed-by: Christian Biesinger <cbiesinger@chromium.org>
Commit-Queue: David Grogan <dgrogan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#713965}

third_party/blink/renderer/core/layout/ng/ng_flex_layout_algorithm.cc

@@ -223,6 +223,7 @@ NGFlexLayoutAlgorithm::BuildConstraintSpaceForDeterminingFlexBasis(
 
   space_builder.SetAvailableSize(content_box_size_);
   space_builder.SetPercentageResolutionSize(child_percentage_size_);
+  space_builder.SetTextDirection(child_style.Direction());
   return space_builder.ToConstraintSpace();
 }
 
@@ -534,6 +535,8 @@ scoped_refptr<const NGLayoutResult> NGFlexLayoutAlgorithm::Layout() {
                                              /* is_new_fc */ true);
       SetOrthogonalFallbackInlineSizeIfNeeded(Style(), flex_item.ng_input_node,
                                               &space_builder);
+      space_builder.SetTextDirection(
+          flex_item.ng_input_node.Style().Direction());
 
       LogicalSize available_size;
       if (is_column_) {
@@ -622,6 +625,7 @@ void NGFlexLayoutAlgorithm::ApplyStretchAlignmentToChild(FlexItem& flex_item) {
       space_builder.SetIsFixedBlockSizeIndefinite(true);
     }
   }
+  space_builder.SetTextDirection(flex_item.ng_input_node.Style().Direction());
   space_builder.SetAvailableSize(available_size);
   space_builder.SetPercentageResolutionSize(child_percentage_size_);
   space_builder.SetIsFixedInlineSize(true);

third_party/blink/web_tests/TestExpectations

@@ -1387,11 +1387,9 @@ crbug.com/591099 external/wpt/css/css-flexbox/flexbox_align-items-stretch-3.html
 crbug.com/591099 virtual/layout_ng_flex_box/css3/flexbox/auto-height-column-with-border-and-padding.html [ Failure ]
 crbug.com/591099 virtual/layout_ng_flex_box/css3/flexbox/flex-align-vertical-writing-mode.html [ Failure ]
 crbug.com/591099 virtual/layout_ng_flex_box/css3/flexbox/flex-align.html [ Failure ]
-crbug.com/591099 virtual/layout_ng_flex_box/css3/flexbox/flex-flow-2.html [ Failure ]
 crbug.com/591099 virtual/layout_ng_flex_box/css3/flexbox/flex-flow-border.html [ Failure ]
 crbug.com/591099 virtual/layout_ng_flex_box/css3/flexbox/flex-flow-margins-auto-size.html [ Failure ]
 crbug.com/591099 virtual/layout_ng_flex_box/css3/flexbox/flex-flow-padding.html [ Failure ]
-crbug.com/591099 virtual/layout_ng_flex_box/css3/flexbox/flex-flow.html [ Failure ]
 crbug.com/591099 virtual/layout_ng_flex_box/css3/flexbox/flex-order.html [ Failure ]
 crbug.com/591099 virtual/layout_ng_flex_box/css3/flexbox/flexbox-baseline-margins.html [ Failure ]
 crbug.com/591099 virtual/layout_ng_flex_box/css3/flexbox/flexbox-baseline.html [ Failure ]