[LayoutNG] Add flexbox tests to virtual/layout_ng_experimental

Flex tests in NeverFixTests for legacy layout are re-listed for
LayoutNG.

Change-Id: I9db42cd20ea96ca1056bc7f4474ea6599fd98c59
Reviewed-on: https://chromium-review.googlesource.com/1015985Reviewed-by: Morten Stenshorne <mstensho@chromium.org>
Commit-Queue: David Grogan <dgrogan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#555184}

third_party/WebKit/LayoutTests/NeverFixTests

@@ -1010,6 +1010,29 @@ virtual/feature-policy-permissions/external/wpt/mediacapture-streams/MediaStream
 virtual/layout_ng/external/wpt/css/CSS2/linebox/inline-formatting-context-010b.xht [ WontFix ]
 virtual/layout_ng/external/wpt/css/CSS2/normal-flow/inline-block-replaced-height-008.xht [ WontFix ]
 virtual/layout_ng/external/wpt/css/CSS2/normal-flow/inline-replaced-height-008.xht [ WontFix ]
+virtual/layout_ng_experimental/external/wpt/css/css-flexbox/css-flexbox-height-animation-stretch.html [ WontFix ]
+virtual/layout_ng_experimental/external/wpt/css/css-flexbox/interactive/flexbox_interactive_break-after-column-item.html [ WontFix ]
+virtual/layout_ng_experimental/external/wpt/css/css-flexbox/interactive/flexbox_interactive_break-after-column-lastitem.html [ WontFix ]
+virtual/layout_ng_experimental/external/wpt/css/css-flexbox/interactive/flexbox_interactive_break-after-container.html [ WontFix ]
+virtual/layout_ng_experimental/external/wpt/css/css-flexbox/interactive/flexbox_interactive_break-after-item.html [ WontFix ]
+virtual/layout_ng_experimental/external/wpt/css/css-flexbox/interactive/flexbox_interactive_break-after-line.html [ WontFix ]
+virtual/layout_ng_experimental/external/wpt/css/css-flexbox/interactive/flexbox_interactive_break-after-line-order.html [ WontFix ]
+virtual/layout_ng_experimental/external/wpt/css/css-flexbox/interactive/flexbox_interactive_break-after-multiline.html [ WontFix ]
+virtual/layout_ng_experimental/external/wpt/css/css-flexbox/interactive/flexbox_interactive_break-before-column-firstitem.html [ WontFix ]
+virtual/layout_ng_experimental/external/wpt/css/css-flexbox/interactive/flexbox_interactive_break-before-column-item.html [ WontFix ]
+virtual/layout_ng_experimental/external/wpt/css/css-flexbox/interactive/flexbox_interactive_break-before-container.html [ WontFix ]
+virtual/layout_ng_experimental/external/wpt/css/css-flexbox/interactive/flexbox_interactive_break-before-item.html [ WontFix ]
+virtual/layout_ng_experimental/external/wpt/css/css-flexbox/interactive/flexbox_interactive_break-before-multiline.html [ WontFix ]
+virtual/layout_ng_experimental/external/wpt/css/css-flexbox/interactive/flexbox_interactive_break-natural.html [ WontFix ]
+virtual/layout_ng_experimental/external/wpt/css/css-flexbox/interactive/flexbox_interactive_flex-basis-transitions.html [ WontFix ]
+virtual/layout_ng_experimental/external/wpt/css/css-flexbox/interactive/flexbox_interactive_flex-grow-transitions.html [ WontFix ]
+virtual/layout_ng_experimental/external/wpt/css/css-flexbox/interactive/flexbox_interactive_flex-shrink-transitions.html [ WontFix ]
+virtual/layout_ng_experimental/external/wpt/css/css-flexbox/interactive/flexbox_interactive_flex-shrink-transitions-invalid.html [ WontFix ]
+virtual/layout_ng_experimental/external/wpt/css/css-flexbox/interactive/flexbox_interactive_flex-transitions.html [ WontFix ]
+virtual/layout_ng_experimental/external/wpt/css/css-flexbox/interactive/flexbox_interactive_order-transitions-2.html [ WontFix ]
+virtual/layout_ng_experimental/external/wpt/css/css-flexbox/interactive/flexbox_interactive_order-transitions.html [ WontFix ]
+virtual/layout_ng_experimental/external/wpt/css/css-flexbox/interactive/flexbox_interactive_paged-overflow-2.html [ WontFix ]
+virtual/layout_ng_experimental/external/wpt/css/css-flexbox/interactive/flexbox_interactive_paged-overflow.html [ WontFix ]
 
 # CSS tests that were imported with the big directory rename and initially
 # failing. Some are probably for features not supported, while some represent

third_party/WebKit/LayoutTests/VirtualTestSuites

@@ -481,6 +481,16 @@
     "base": "printing",
     "args": ["--enable-blink-features=LayoutNGBlockFragmentation"]
   },
+  {
+    "prefix": "layout_ng_experimental",
+    "base": "css3/flexbox",
+    "args": ["--enable-blink-features=LayoutNGFlexBox"]
+  },
+  {
+    "prefix": "layout_ng_experimental",
+    "base": "external/wpt/css/css-flexbox",
+    "args": ["--enable-blink-features=LayoutNGFlexBox"]
+  },
   {
     "prefix": "print_browser",
     "base": "print_testharness",

third_party/WebKit/LayoutTests/virtual/layout_ng_experimental/css3/flexbox/README.txt

+These tests are run with --enable-blink-features=LayoutNGFlexBox
+The LayoutNG project is described here: http://goo.gl/1hwhfX

third_party/WebKit/LayoutTests/virtual/layout_ng_experimental/external/wpt/css/css-flexbox/README.txt

+These tests are run with --enable-blink-features=LayoutNGFlexBox
+The LayoutNG project is described here: http://goo.gl/1hwhfX