[FlexNG] Remove virtual test suite

Even if we have to disable FlexNG via finch, we won't be changing the
runtime feature to less than 'experimental', which means layout tests
are still run with FlexNG.

Bug: 845235
Change-Id: Ia88b647cf3f79ac95b16b3142bbae5de9e618028
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2330616Reviewed-by: Christian Biesinger <cbiesinger@chromium.org>
Commit-Queue: David Grogan <dgrogan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#793488}

third_party/blink/web_tests/FlagExpectations/composite-after-paint

@@ -11,7 +11,6 @@ virtual/composite-after-paint/* [ Skip ]
 
 virtual/layout_ng_block_frag/* [ Skip ]
 virtual/layout_ng_fieldset/* [ Skip ]
-virtual/layout_ng_flex_box/* [ Skip ]
 virtual/layout_ng_fragment_traversal/* [ Skip ]
 virtual/prefer_compositing_to_lcd_text/compositing/overflow/* [ Skip ]
 virtual/stable/* [ Skip ]

third_party/blink/web_tests/FlagExpectations/disable-layout-ng

@@ -573,9 +573,6 @@ crbug.com/591099 external/wpt/webrtc/simulcast/h264.https.html [ Failure ]
 crbug.com/591099 virtual/webrtc-wpt-plan-b/external/wpt/webrtc/protocol/video-codecs.https.html [ Failure ]
 crbug.com/591099 virtual/webrtc-wpt-plan-b/external/wpt/webrtc/simulcast/h264.https.html [ Failure ]
 
-# FlexNG depends on LayoutNG.
-crbug.com/845235 virtual/layout_ng_flex_box/* [ Skip ]
-
 # MathML depends on LayoutNG.
 crbug.com/6606 external/wpt/mathml/* [ Skip ]
 

third_party/blink/web_tests/TestExpectations

@@ -1214,15 +1214,6 @@ virtual/layout_ng_fragment_traversal/external/wpt/css/CSS2/normal-flow/inline-re
 virtual/layout_ng_fragment_traversal/external/wpt/css/CSS2/cascade/* [ Skip ]
 virtual/layout_ng_fragment_traversal/external/wpt/css/CSS2/text/* [ Skip ]
 
-# Flexbox in NG
-
-# Fail in NG flex, pass in legacy flex.
-crbug.com/845235 virtual/layout_ng_flex_box/external/wpt/css/css-flexbox/quirks-auto-block-size-with-percentage-item.html [ Pass Failure ]
-crbug.com/846557 [ Mac ] virtual/layout_ng_flex_box/css3/flexbox/button.html [ Failure ]
-
-# Fail in both legacy flex and NG flex
-crbug.com/626703 virtual/layout_ng_flex_box/external/wpt/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-align-self-baseline-horiz-008.xhtml [ Failure ]
-
 # Fieldset in NG
 #
 crbug.com/875235 virtual/layout_ng_fieldset/external/wpt/css/css-contain/contain-size-breaks-001.html [ Crash Failure ]

third_party/blink/web_tests/VirtualTestSuites

@@ -249,13 +249,6 @@
               "fast/table"],
     "args": ["--enable-blink-features=LayoutNGFragmentTraversal"]
   },
-  {
-    "prefix": "layout_ng_flex_box",
-    "bases": ["css3/flexbox",
-              "external/wpt/css/css-flexbox",
-              "external/wpt/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox"],
-    "args": ["--enable-blink-features=LayoutNGFlexBox"]
-  },
   {
     "prefix": "layout_ng_fieldset",
     "bases": ["external/wpt/css/css-contain",

third_party/blink/web_tests/virtual/layout_ng_flex_box/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/blink/web_tests/virtual/layout_ng_flex_box/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

third_party/blink/web_tests/virtual/layout_ng_flex_box/external/wpt/css/vendor-imports/mozilla/mozilla-central-reftests/flexbox/README.txt

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