Use new downcast helper for blink::HTMLMenuElement

This CL has goal to Use IsA<HTMLMenuElement>(element) in place of
IsHTMLMenuElement(element)

Bug: 891908
Change-Id: Ia9c016f9c23481a60db63ee00ead1361090de3a2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1930541
Commit-Queue: Abhijeet | Igalia <abhijeet@igalia.com>
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Cr-Commit-Position: refs/heads/master@{#718996}

third_party/blink/renderer/core/layout/layout_counter.cc

@@ -191,7 +191,7 @@ static bool PlanCounter(LayoutObject& object,
         is_reset = true;
         return true;
       }
-      if (IsA<HTMLUListElement>(*e) || IsHTMLMenuElement(*e) ||
+      if (IsA<HTMLUListElement>(*e) || IsA<HTMLMenuElement>(*e) ||
           IsA<HTMLDirectoryElement>(*e)) {
         value = 0;
         is_reset = true;

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

@@ -421,7 +421,7 @@ static bool IsRequiredOwnedElement(AXObject* parent,
   if (current_role == ax::mojom::Role::kMenuItemCheckBox ||
       current_role == ax::mojom::Role::kMenuItem ||
       current_role == ax::mojom::Role::kMenuItemRadio)
-    return IsHTMLMenuElement(*parent_node);
+    return IsA<HTMLMenuElement>(*parent_node);
 
   if (!current_element)
     return false;
@@ -653,7 +653,7 @@ ax::mojom::Role AXNodeObject::NativeRoleIgnoringAria() const {
       return ax::mojom::Role::kTextFieldWithComboBox;
     if (type == input_type_names::kButton) {
       if ((GetNode()->parentNode() &&
-           IsHTMLMenuElement(GetNode()->parentNode())) ||
+           IsA<HTMLMenuElement>(GetNode()->parentNode())) ||
           (ParentObject() &&
            ParentObject()->RoleValue() == ax::mojom::Role::kMenu))
         return ax::mojom::Role::kMenuItem;
@@ -661,7 +661,7 @@ ax::mojom::Role AXNodeObject::NativeRoleIgnoringAria() const {
     }
     if (type == input_type_names::kCheckbox) {
       if ((GetNode()->parentNode() &&
-           IsHTMLMenuElement(GetNode()->parentNode())) ||
+           IsA<HTMLMenuElement>(GetNode()->parentNode())) ||
           (ParentObject() &&
            ParentObject()->RoleValue() == ax::mojom::Role::kMenu))
         return ax::mojom::Role::kMenuItemCheckBox;
@@ -677,7 +677,7 @@ ax::mojom::Role AXNodeObject::NativeRoleIgnoringAria() const {
       return ax::mojom::Role::kButton;
     if (type == input_type_names::kRadio) {
       if ((GetNode()->parentNode() &&
-           IsHTMLMenuElement(GetNode()->parentNode())) ||
+           IsA<HTMLMenuElement>(GetNode()->parentNode())) ||
           (ParentObject() &&
            ParentObject()->RoleValue() == ax::mojom::Role::kMenu))
         return ax::mojom::Role::kMenuItemRadio;