Input type file should return ButtonRole.

Source/modules/accessibility/AXNodeObject.cpp

Index: Source/modules/accessibility/AXNodeObject.cpp
diff --git a/Source/modules/accessibility/AXNodeObject.cpp b/Source/modules/accessibility/AXNodeObject.cpp
index 269e81a68ac453d64ecf20362e459ff6bc229a88..77c965ed5879791b6080e813f1f741ef9c7d699a 100644
--- a/Source/modules/accessibility/AXNodeObject.cpp
+++ b/Source/modules/accessibility/AXNodeObject.cpp
@@ -1534,15 +1534,13 @@ Element* AXNodeObject::actionElement() const
 
     if (isHTMLInputElement(*node)) {
         HTMLInputElement& input = toHTMLInputElement(*node);
-        if (!input.isDisabledFormControl() && (isCheckboxOrRadio() || input.isTextButton()))
+        if (!input.isDisabledFormControl() && (isCheckboxOrRadio() || input.isTextButton()
+            || input.type() == InputTypeNames::file))
             return &input;
     } else if (isHTMLButtonElement(*node)) {
         return toElement(node);
     }
 
-    if (isFileUploadButton())
-        return toElement(node);
-
     if (AXObject::isARIAInput(ariaRoleAttribute()))
         return toElement(node);