diff --git a/PRESUBMIT.py b/PRESUBMIT.py
index a2e82e32..217e266 100644
--- a/PRESUBMIT.py
+++ b/PRESUBMIT.py
@@ -1075,6 +1075,33 @@
       ),
     ),
     (
+      r'/\bIsHTML.+Element\(\b',
+      (
+        'Function IsHTMLXXXXElement is deprecated. Instead, use downcast ',
+        ' helpers IsA<HTMLXXXXElement> from ',
+        '//third_party/blink/renderer/platform/casting.h.'
+      ),
+      False,
+      (
+        r'^third_party/blink/renderer/.*\.(cc|h)$',
+      ),
+    ),
+    (
+      r'/\bToHTML.+Element(|OrNull)\(\b',
+      (
+        'Function ToHTMLXXXXElement and ToHTMLXXXXElementOrNull are '
+        'deprecated. Instead, use downcast helpers To<HTMLXXXXElement> '
+        'and DynamicTo<HTMLXXXXElement> from ',
+        '//third_party/blink/renderer/platform/casting.h.'
+        'auto* html_xxxx_ele = To<HTMLXXXXElement>(n)'
+        'auto* html_xxxx_ele_or_null = DynamicTo<HTMLXXXXElement>(n)'
+      ),
+      False,
+      (
+        r'^third_party/blink/renderer/.*\.(cc|h)$',
+      ),
+    ),
+    (
       r'/\bmojo::DataPipe\b',
       (
         'mojo::DataPipe is deprecated. Use mojo::CreateDataPipe instead.',