Import wpt@59372328ef78001bcab951db8f9e6b9aaa572f1f

Using wpt-import in Chromium 388759a2.
With Chromium commits locally applied on WPT:
d0ad7cf8 "UpgradeInsecureRequest: Add WPTs for static-import in dedicated/shared workers"
86131ac4 "Add a test for ReplaceTrack that verifies video track content."
6c8523d2 "[scroll-timeline] Implement element-based scroll offset"
4de68d38 "fixup! [css-grid] Migrate flex-sizing-columns-min-max-width.html to WPT"
f511fde8 "[css-grid] Migrate grid-gutters-and-flex-content.html to WPT"
a236d77b "[css-grid] Migrate grid-gutters-and-tracks.html to WPT"
b0ae2767 "Clean up lazy load tests"


Note to sheriffs: This CL imports external tests and adds
expectations for those tests; if this CL is large and causes
a few new failures, please fix the failures by adding new
lines to TestExpectations rather than reverting. See:
https://chromium.googlesource.com/chromium/src/+/master/docs/testing/web_platform_tests.md

Directory owners for changes in this CL:
bjonesbe@adobe.com:
  external/wpt/css/css-shapes
cbiesinger@chromium.org:
  external/wpt/css/css-flexbox
drott@chromium.org, kojii@chromium.org:
  external/wpt/css/css-fonts
kojii@chromium.org:
  external/wpt/css/CSS2/text
kojii@chromium.org, mstensho@chromium.org:
  external/wpt/css/CSS2
mstensho@chromium.org:
  external/wpt/css/css-multicol
rego@igalia.com:
  external/wpt/css/css-contain

NOAUTOREVERT=true
TBR=robertma

No-Export: true
Change-Id: I3d2cf63c5cd393350b32def2529f9a7b75684e27
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2153275Reviewed-by: WPT Autoroller <wpt-autoroller@chops-service-accounts.iam.gserviceaccount.com>
Commit-Queue: WPT Autoroller <wpt-autoroller@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#760282}

third_party/blink/web_tests/external/wpt/css/CSS2/floats-clear/floats-136.xht

@@ -11,7 +11,7 @@
   <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
   <style type="text/css">
    .container { font: 30px/1 Ahem; color: green; margin: 0; padding: 0; border: 0;
-                background: url(support/60x60-red.png) no-repeat;
+                background: url(/css/support/60x60-red.png) no-repeat;
                 text-indent: 0; }
    .float { width: 1em; height: 1em; background: green; float: left;
             margin: 0; padding: 0; border: 0; }

third_party/blink/web_tests/external/wpt/css/css-backgrounds/background-origin-007.html

@@ -22,7 +22,7 @@
         }
         #test-overlapped-red {
             background-clip: padding-box;
-            background-image: url(support/60x60-red.png);
+            background-image: url(/css/support/60x60-red.png);
             background-origin: border-box;
             background-position: top left;
             background-repeat: no-repeat;

third_party/blink/web_tests/external/wpt/css/css-backgrounds/background-size-007.html

@@ -11,7 +11,7 @@
     <meta name="assert" content="Check if 'background-size' is '0px', minimum width of the positioning area in length, then such value is the width of the corresponding image and therefore the background image is not to be displayed.">
     <style>
         div {
-            background-image: url(support/60x60-red.png);
+            background-image: url(/css/support/60x60-red.png);
             background-size: 0px;
             height: 100px;
             width: 100px;

third_party/blink/web_tests/external/wpt/css/css-backgrounds/background-size-010.html

@@ -11,7 +11,7 @@
     <meta name="assert" content="Check if 'background-size' is '0%', minimum width of the positioning area in percentage, then such value is the width of the corresponding image and therefore the background image is not to be displayed.">
     <style>
         div {
-            background-image: url(support/60x60-red.png);
+            background-image: url(/css/support/60x60-red.png);
             background-size: 0%;
             height: 100px;
             width: 100px;

third_party/blink/web_tests/external/wpt/css/css-backgrounds/scroll-positioned-multiple-background-images.html

@@ -19,7 +19,7 @@ and the element is scrolled to (0, 60px), only the second image is shown." />
 #element-with-attachment-scroll {
     width: 500px;
     height: 500px;
-    background-image: url('support/60x60-red.png'), url('support/60x60-green.png');
+    background-image: url('/css/support/60x60-red.png'), url('support/60x60-green.png');
     background-position: 0 0, 0 60px;
     background-repeat: no-repeat;
 }

third_party/blink/web_tests/external/wpt/mathml/presentation-markup/scripts/cramped-001.html

@@ -70,7 +70,7 @@
       test(function() {
           assert_true(MathMLFeatureDetection.has_mspace());
           assert_cramped("mroot-001", true);
-      }, "child of parent");
+      }, "child of mroot");
 
       test(function() {
           assert_true(MathMLFeatureDetection.has_mspace());
@@ -100,33 +100,43 @@
       test(function() {
           assert_true(MathMLFeatureDetection.has_mspace());
           assert_cramped("munder-001", false, "base");
-          assert_cramped("munder-002", true, "underscript");
+          assert_cramped("munder-002", false, "underscript");
       }, "child of munder");
 
       test(function() {
           assert_true(MathMLFeatureDetection.has_mspace());
           assert_cramped("mover-001", false, "base");
-          assert_cramped("mover-002", false, "non-accent overscript");
-      }, "child of mover");
+          assert_cramped("mover-002", false, "overscript");
+      }, "child of mover (non-accent overscript)");
 
       test(function() {
           assert_true(MathMLFeatureDetection.has_mspace());
           assert_cramped("munderover-001", false, "base");
-          assert_cramped("munderover-002", true, "underscript");
-          assert_cramped("munderover-003", false, "non-accent overscript");
-      }, "child of munderover");
+          assert_cramped("munderover-002", false, "underscript");
+          assert_cramped("munderover-003", false, "overscript");
+      }, "child of munderover (non-accent overscript)");
 
       test(function() {
           assert_true(MathMLFeatureDetection.has_mspace());
-          assert_cramped("mover-003", false, "accent overscript");
-          assert_cramped("mover-004", false, "accent superscript");
-      }, "accent child of mover");
+          assert_cramped("mover-003", true, "base");
+          assert_cramped("mover-004", false, "overscript");
+      }, "accent child of mover (accent overscript)");
 
       test(function() {
           assert_true(MathMLFeatureDetection.has_mspace());
-          assert_cramped("munderover-004", false, "accent overscript");
-          assert_cramped("munderover-005", false, "accent superscript");
-      }, "accent child of munderover");
+          assert_cramped("munderover-004", true, "base");
+          assert_cramped("munderover-005", false, "underscript");
+          assert_cramped("munderover-006", false, "overscript");
+      }, "accent child of munderover (accent overscript)");
+
+      test(function() {
+          assert_true(MathMLFeatureDetection.has_mspace());
+          assert_cramped("mmultiscripts-001", false, "base");
+          assert_cramped("mmultiscripts-002", true, "post-subscript");
+          assert_cramped("mmultiscripts-003", false, "post-superscript");
+          assert_cramped("mmultiscripts-004", true, "pre-subscript");
+          assert_cramped("mmultiscripts-005", false, "post-superscript");
+      }, "mmultiscripts");
 
       done();
   }
@@ -372,18 +382,18 @@
   <p>
     <math>
       <mover accent="true" id="mover-003">
-        <mn>0</mn>
         <msup class="testedElement">
           <mspace height="2em" width="2em"/>
           <mspace height="1em" width="1em"/>
         </msup>
+        <mn>1</mn>
       </mover>
     </math>
   </p>
   <p>
     <math>
       <mover accent="true" id="mover-004">
-        <mo movablelimits="true">0</mo>
+        <mn>0</mn>
         <msup class="testedElement">
           <mspace height="2em" width="2em"/>
           <mspace height="1em" width="1em"/>
@@ -430,19 +440,31 @@
   <p>
     <math>
       <munderover accent="true" id="munderover-004">
-        <mn>0</mn>
-        <mn>1</mn>
         <msup class="testedElement">
           <mspace height="2em" width="2em"/>
           <mspace height="1em" width="1em"/>
         </msup>
+        <mn>1</mn>
+        <mn>2</mn>
       </munderover>
     </math>
   </p>
   <p>
     <math>
       <munderover accent="true" id="munderover-005">
-        <mo movablelimits="true">0</mo>
+        <mn>0</mn>
+        <msup class="testedElement">
+          <mspace height="2em" width="2em"/>
+          <mspace height="1em" width="1em"/>
+        </msup>
+        <mn>2</mn>
+      </munderover>
+    </math>
+  </p>
+  <p>
+    <math>
+      <munderover accent="true" id="munderover-006">
+        <mn>0</mn>
         <mn>1</mn>
         <msup class="testedElement">
           <mspace height="2em" width="2em"/>
@@ -451,5 +473,120 @@
       </munderover>
     </math>
   </p>
+  <p>
+    <math>
+      <mmultiscripts id="mmultiscripts-001">
+        <msup class="testedElement">
+          <mspace height="2em" width="2em"/>
+          <mspace height="1em" width="1em"/>
+        </msup>
+        <mn>1</mn>
+        <mn>2</mn>
+        <mn>3</mn>
+        <mn>4</mn>
+        <mn>5</mn>
+        <mn>6</mn>
+        <mprescripts/>
+        <mn>7</mn>
+        <mn>8</mn>
+        <mn>9</mn>
+        <mn>10</mn>
+        <mn>11</mn>
+        <mn>12</mn>
+      </mmultiscripts>
+    </math>
+  </p>
+  <p>
+    <math>
+      <mmultiscripts id="mmultiscripts-002">
+        <mn>0</mn>
+        <mn>1</mn>
+        <mn>2</mn>
+        <msup class="testedElement">
+          <mspace height="2em" width="2em"/>
+          <mspace height="1em" width="1em"/>
+        </msup>
+        <mn>4</mn>
+        <mn>5</mn>
+        <mn>6</mn>
+        <mprescripts/>
+        <mn>7</mn>
+        <mn>8</mn>
+        <mn>9</mn>
+        <mn>10</mn>
+        <mn>11</mn>
+        <mn>12</mn>
+      </mmultiscripts>
+    </math>
+  </p>
+  <p>
+    <math>
+      <mmultiscripts id="mmultiscripts-003">
+        <mn>0</mn>
+        <mn>1</mn>
+        <mn>2</mn>
+        <mn>3</mn>
+        <msup class="testedElement">
+          <mspace height="2em" width="2em"/>
+          <mspace height="1em" width="1em"/>
+        </msup>
+        <mn>5</mn>
+        <mn>6</mn>
+        <mprescripts/>
+        <mn>7</mn>
+        <mn>8</mn>
+        <mn>9</mn>
+        <mn>10</mn>
+        <mn>11</mn>
+        <mn>12</mn>
+      </mmultiscripts>
+    </math>
+  </p>
+  <p>
+    <math>
+      <mmultiscripts id="mmultiscripts-004">
+        <mn>0</mn>
+        <mn>1</mn>
+        <mn>2</mn>
+        <mn>3</mn>
+        <mn>4</mn>
+        <mn>5</mn>
+        <mn>6</mn>
+        <mprescripts/>
+        <mn>7</mn>
+        <mn>8</mn>
+        <msup class="testedElement">
+          <mspace height="2em" width="2em"/>
+          <mspace height="1em" width="1em"/>
+        </msup>
+        <mn>10</mn>
+        <mn>11</mn>
+        <mn>12</mn>
+      </mmultiscripts>
+    </math>
+  </p>
+  <p>
+    <math>
+      <mmultiscripts id="mmultiscripts-005">
+        <mn>0</mn>
+        <mn>1</mn>
+        <mn>2</mn>
+        <mn>3</mn>
+        <mn>4</mn>
+        <mn>5</mn>
+        <mn>6</mn>
+        <mprescripts/>
+        <mn>7</mn>
+        <mn>8</mn>
+        <mn>9</mn>
+        <msup class="testedElement">
+          <mspace height="2em" width="2em"/>
+          <mspace height="1em" width="1em"/>
+        </msup>
+        <mn>11</mn>
+        <mn>12</mn>
+      </mmultiscripts>
+    </math>
+  </p>
 </body>
 </html>