Add type option to showToast helper

Bug: 972945
Change-Id: I1fb8f40b491fa86aa1e11fe7764446da110dcc32
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1713387
Commit-Queue: Jack Steinberg <jacksteinberg@chromium.org>
Reviewed-by: Fergal Daly <fergal@chromium.org>
Cr-Commit-Position: refs/heads/master@{#680143}

third_party/blink/renderer/core/script/resources/layered_api/elements/toast/index.mjs

@@ -211,7 +211,13 @@ delete StdToastElement.prototype.connectedCallback;
 export function showToast(message, options = {}) {
   const toast = new StdToastElement(message);
 
-  const {action, closeButton, ...showOptions} = options;
+  const {
+    action,
+    closeButton,
+    type,
+    ...showOptions
+  } = options;
+
   if (isElement(action)) {
     toast.action = action;
   } else if (action !== undefined) {
@@ -229,6 +235,10 @@ export function showToast(message, options = {}) {
     toast.closeButton = closeButton;
   }
 
+  if (type !== undefined) {
+    toast.type = type;
+  }
+
   document.body.append(toast);
   toast.show(showOptions);
 

third_party/blink/web_tests/external/wpt/std-toast/options.html

@@ -101,4 +101,23 @@ async_test(t => {
         toast.remove();
     });
 }, 'showToast closes after user specified 50ms');
+
+// type
+test(() => {
+    const toast = showToast('Message', {type: 'warning'});
+    assert_equals(toast.type, 'warning');
+    assert_equals(toast.getAttribute('type'), 'warning');
+}, 'passing a valid type option to showToast sets the type property and attribute');
+
+test(() => {
+    const toast = showToast('Message', {type: 'test'});
+    assert_equals(toast.type, '');
+    assert_equals(toast.getAttribute('type'), 'test');
+}, 'passing an invalid type option to showToast sets the type attribute, but not the property');
+
+test(() => {
+    const toast = showToast('Message');
+    assert_equals(toast.type, '');
+    assert_false(toast.hasAttribute('type'));
+}, 'passing nothing as the type option to showToast does not set the type attribute or property');
 </script>