diff --git a/mozilla/content/html/content/src/nsHTMLAtomList.h b/mozilla/content/html/content/src/nsHTMLAtomList.h
index 17f2da6a4f9..94de8e35540 100644
--- a/mozilla/content/html/content/src/nsHTMLAtomList.h
+++ b/mozilla/content/html/content/src/nsHTMLAtomList.h
@@ -196,6 +196,7 @@ HTML_ATOM(ondblclick, "ondblclick")
 HTML_ATOM(ondragdrop, "ondragdrop")
 HTML_ATOM(onerror, "onerror")
 HTML_ATOM(onfocus, "onfocus")
+HTML_ATOM(oninput, "oninput")
 HTML_ATOM(onkeydown, "onkeydown")
 HTML_ATOM(onkeypress, "onkeypress")
 HTML_ATOM(onkeyup, "onkeyup")
diff --git a/mozilla/content/shared/public/nsHTMLAtomList.h b/mozilla/content/shared/public/nsHTMLAtomList.h
index 17f2da6a4f9..94de8e35540 100644
--- a/mozilla/content/shared/public/nsHTMLAtomList.h
+++ b/mozilla/content/shared/public/nsHTMLAtomList.h
@@ -196,6 +196,7 @@ HTML_ATOM(ondblclick, "ondblclick")
 HTML_ATOM(ondragdrop, "ondragdrop")
 HTML_ATOM(onerror, "onerror")
 HTML_ATOM(onfocus, "onfocus")
+HTML_ATOM(oninput, "oninput")
 HTML_ATOM(onkeydown, "onkeydown")
 HTML_ATOM(onkeypress, "onkeypress")
 HTML_ATOM(onkeyup, "onkeyup")
diff --git a/mozilla/layout/html/base/src/nsHTMLAtomList.h b/mozilla/layout/html/base/src/nsHTMLAtomList.h
index 17f2da6a4f9..94de8e35540 100644
--- a/mozilla/layout/html/base/src/nsHTMLAtomList.h
+++ b/mozilla/layout/html/base/src/nsHTMLAtomList.h
@@ -196,6 +196,7 @@ HTML_ATOM(ondblclick, "ondblclick")
 HTML_ATOM(ondragdrop, "ondragdrop")
 HTML_ATOM(onerror, "onerror")
 HTML_ATOM(onfocus, "onfocus")
+HTML_ATOM(oninput, "oninput")
 HTML_ATOM(onkeydown, "onkeydown")
 HTML_ATOM(onkeypress, "onkeypress")
 HTML_ATOM(onkeyup, "onkeyup")