Make LayoutNGTextArea flag "test" state

The feature still has one unit test failure and three web test
failures.

Cq-Include-Trybots: luci.chromium.try:linux_layout_tests_layout_ng_disabled
Bug: 1040826, 1137666, 1138820, 1140302, 1140307
Change-Id: I1c149d21af31a89dbed5a97e5c274c338a1bb932
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2454579
Auto-Submit: Kent Tamura <tkent@chromium.org>
Commit-Queue: Yoshifumi Inoue <yosin@chromium.org>
Reviewed-by: Yoshifumi Inoue <yosin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#818795}

third_party/blink/renderer/modules/accessibility/ax_selection_test.cc

@@ -28,6 +28,7 @@
 #include "third_party/blink/renderer/modules/accessibility/ax_object.h"
 #include "third_party/blink/renderer/modules/accessibility/ax_position.h"
 #include "third_party/blink/renderer/modules/accessibility/testing/accessibility_selection_test.h"
+#include "third_party/blink/renderer/platform/testing/runtime_enabled_features_test_helpers.h"
 #include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
 
 namespace blink {
@@ -760,6 +761,9 @@ TEST_F(AccessibilitySelectionTest, FromCurrentSelectionInTextareaWithAffinity) {
 
 TEST_F(AccessibilitySelectionTest,
        FromCurrentSelectionInTextareaWithCollapsedSelectionAndAffinity) {
+  // TODO(crbug.com/1140302): This test fails with LayoutNGTextArea.
+  ScopedLayoutNGTextAreaForTest scope(false);
+
   SetBodyInnerHTML(R"HTML(
       <textarea id="textarea"
           rows="2" cols="15"

third_party/blink/renderer/platform/runtime_enabled_features.json5

@@ -1040,6 +1040,7 @@
     {
       name: "LayoutNGTextArea",
       depends_on: ["EditingNG"],
+      status: "test",
     },
     {
       name: "LayoutNGTextField",

third_party/blink/web_tests/TestExpectations

@@ -1196,6 +1196,11 @@ crbug.com/1121942 virtual/layout_ng_printing/printing/fixed-positioned-child-sho
 crbug.com/1121942 virtual/layout_ng_printing/printing/frameset.html [ Failure ]
 crbug.com/1121942 virtual/layout_ng_printing/printing/webgl-oversized-printing.html [ Skip ]
 
+### Textarea NG
+crbug.com/1140307 accessibility/inline-text-textarea.html [ Failure ]
+crbug.com/1137666 editing/caret/caret-direction-auto.html [ Failure ]
+crbug.com/1138820 fast/forms/text/input-appearance-scroll-size-mocked.html [ Failure ]
+
 # ====== LayoutNG-only failures until here ======
 
 # ====== MathMLCore-only tests from here ======

third_party/blink/web_tests/flag-specific/composite-after-paint/compositing/overflow/textarea-scroll-touch-expected.txt

@@ -8,19 +8,19 @@
       "backgroundColor": "#FFFFFF"
     },
     {
-      "name": "LayoutTextControl TEXTAREA",
+      "name": "LayoutNGTextControlMultiLine TEXTAREA",
       "position": [1, 1],
       "bounds": [189, 124],
       "drawsContent": false,
       "transform": 1
     },
     {
-      "name": "Scroll corner of LayoutTextControl TEXTAREA",
+      "name": "Scroll corner of LayoutNGTextControlMultiLine TEXTAREA",
       "position": [193, 18],
       "bounds": [261, 126]
     },
     {
-      "name": "LayoutTextControl TEXTAREA",
+      "name": "LayoutNGTextControlMultiLine TEXTAREA",
       "position": [1, 1],
       "bounds": [189, 328],
       "backgroundColor": "#CCCCCC",
@@ -33,20 +33,20 @@
       "transform": 1
     },
     {
-      "name": "LayoutTextControl TEXTAREA",
+      "name": "LayoutNGTextControlMultiLine TEXTAREA",
       "position": [1, 1],
       "bounds": [189, 124],
       "drawsContent": false,
       "transform": 3
     },
     {
-      "name": "Scroll corner of LayoutTextControl TEXTAREA",
+      "name": "Scroll corner of LayoutNGTextControlMultiLine TEXTAREA",
       "position": [175, 95],
       "bounds": [30, 30],
       "transform": 3
     },
     {
-      "name": "LayoutTextControl TEXTAREA",
+      "name": "LayoutNGTextControlMultiLine TEXTAREA",
       "position": [1, 1],
       "bounds": [189, 328],
       "backgroundColor": "#CCCCCC",

third_party/blink/web_tests/flag-specific/disable-layout-ng/compositing/overflow/textarea-scroll-touch-expected.txt

+ 
+{
+  "layers": [
+    {
+      "name": "Scrolling Contents Layer",
+      "bounds": [800, 600],
+      "contentsOpaque": true,
+      "backgroundColor": "#FFFFFF"
+    },
+    {
+      "name": "LayoutTextControl TEXTAREA",
+      "bounds": [206, 126],
+      "transform": 1
+    },
+    {
+      "name": "ContentsLayer for Vertical Scrollbar Layer",
+      "position": [190, 1],
+      "bounds": [15, 109],
+      "transform": 1
+    },
+    {
+      "name": "Scroll Corner Layer",
+      "position": [190, 110],
+      "bounds": [15, 15],
+      "transform": 1
+    },
+    {
+      "name": "Scrolling Contents Layer",
+      "position": [1, 1],
+      "bounds": [189, 328],
+      "contentsOpaque": true,
+      "backgroundColor": "#CCCCCC",
+      "transform": 2
+    },
+    {
+      "name": "LayoutTextControl TEXTAREA",
+      "bounds": [206, 126],
+      "transform": 3
+    },
+    {
+      "name": "ContentsLayer for Vertical Scrollbar Layer",
+      "position": [190, 1],
+      "bounds": [15, 109],
+      "transform": 3
+    },
+    {
+      "name": "Scroll Corner Layer",
+      "position": [190, 110],
+      "bounds": [15, 15],
+      "transform": 3
+    },
+    {
+      "name": "Scrolling Contents Layer",
+      "position": [1, 1],
+      "bounds": [189, 328],
+      "contentsOpaque": true,
+      "backgroundColor": "#CCCCCC",
+      "transform": 4
+    }
+  ],
+  "transforms": [
+    {
+      "id": 1,
+      "transform": [
+        [1, 0, 0, 0],
+        [0, 1, 0, 0],
+        [0, 0, 1, 0],
+        [18, 18, 0, 1]
+      ]
+    },
+    {
+      "id": 2,
+      "parent": 1,
+      "transform": [
+        [1, 0, 0, 0],
+        [0, 1, 0, 0],
+        [0, 0, 1, 0],
+        [0, -50, 0, 1]
+      ]
+    },
+    {
+      "id": 3,
+      "transform": [
+        [1, 0, 0, 0],
+        [0, 1, 0, 0],
+        [0, 0, 1, 0],
+        [248, 18, 0, 1]
+      ]
+    },
+    {
+      "id": 4,
+      "parent": 3,
+      "transform": [
+        [1, 0, 0, 0],
+        [0, 1, 0, 0],
+        [0, 0, 1, 0],
+        [0, -50, 0, 1]
+      ]
+    }
+  ]
+}
+

third_party/blink/web_tests/flag-specific/force-device-scale-factor=1.5/compositing/overflow/textarea-scroll-touch-expected.txt

@@ -8,7 +8,7 @@
       "backgroundColor": "#FFFFFF"
     },
     {
-      "name": "LayoutTextControl TEXTAREA",
+      "name": "LayoutNGTextControlMultiLine TEXTAREA",
       "bounds": [309, 189],
       "transform": 1
     },
@@ -33,7 +33,7 @@
       "transform": 1
     },
     {
-      "name": "LayoutTextControl TEXTAREA",
+      "name": "LayoutNGTextControlMultiLine TEXTAREA",
       "bounds": [309, 189],
       "transform": 3
     },

third_party/blink/web_tests/platform/mac/compositing/overflow/textarea-scroll-touch-expected.txt

@@ -8,7 +8,7 @@
       "backgroundColor": "#FFFFFF"
     },
     {
-      "name": "LayoutTextControl TEXTAREA",
+      "name": "LayoutNGTextControlMultiLine TEXTAREA",
       "bounds": [206, 126],
       "transform": 1
     },
@@ -33,7 +33,7 @@
       "transform": 2
     },
     {
-      "name": "LayoutTextControl TEXTAREA",
+      "name": "LayoutNGTextControlMultiLine TEXTAREA",
       "bounds": [206, 126],
       "transform": 3
     },

third_party/blink/web_tests/platform/mac/fast/forms/cursor-at-editable-content-boundary-expected.txt

-autowrap text area with dir=rtl. 
-
-nowrap text area with dir=rtl. 
-
-autowrap text area with dir=ltr. 
-
-vertical text.
-
-FAIL test id: textarea_rtl_no_wrap (text width: 107 != caretRange: 106), which means moving caret in the text, caret might be invisible or overlap with element.
-PASS successfullyParsed is true
-
-TEST COMPLETE
-

third_party/blink/web_tests/platform/mac/paint/invalidation/forms/textarea-caret-expected.txt

@@ -10,7 +10,7 @@
       ]
     },
     {
-      "name": "LayoutTextControl TEXTAREA id='editor'",
+      "name": "LayoutNGTextControlMultiLine TEXTAREA id='editor'",
       "position": [-2, -2],
       "bounds": [185, 40],
       "backgroundColor": "#FFFFFF",

third_party/blink/web_tests/platform/win/compositing/overflow/textarea-scroll-touch-expected.txt

@@ -8,7 +8,7 @@
       "backgroundColor": "#FFFFFF"
     },
     {
-      "name": "LayoutTextControl TEXTAREA",
+      "name": "LayoutNGTextControlMultiLine TEXTAREA",
       "bounds": [206, 126],
       "transform": 1
     },
@@ -33,7 +33,7 @@
       "transform": 2
     },
     {
-      "name": "LayoutTextControl TEXTAREA",
+      "name": "LayoutNGTextControlMultiLine TEXTAREA",
       "bounds": [206, 126],
       "transform": 3
     },