Input type file should return ButtonRole.

Source/modules/accessibility/AXRenderObject.cpp

Index: Source/modules/accessibility/AXRenderObject.cpp
diff --git a/Source/modules/accessibility/AXRenderObject.cpp b/Source/modules/accessibility/AXRenderObject.cpp
index aaccaacbfc23aac6aa405be6ee28755266f7de4e..8f818fe7d5c5ba77e13a461116d28e7a8ff90189 100644
--- a/Source/modules/accessibility/AXRenderObject.cpp
+++ b/Source/modules/accessibility/AXRenderObject.cpp
@@ -332,6 +332,8 @@ AccessibilityRole AXRenderObject::determineAccessibilityRole()
                 return MenuItemRadioRole;
             return RadioButtonRole;
         }
+        if (type == InputTypeNames::file)
+            return ButtonRole;
         if (type == InputTypeNames::number)
             return SpinButtonRole;
         if (input.isTextButton())
@@ -343,9 +345,6 @@ AccessibilityRole AXRenderObject::determineAccessibilityRole()
         return TextFieldRole;
     }
 
-    if (isFileUploadButton())
-        return ButtonRole;
-
     if (cssBox && cssBox->isMenuList())
         return PopUpButtonRole;
 
@@ -496,11 +495,6 @@ bool AXRenderObject::isAttachment() const
     return isRenderPart;
 }
 
-bool AXRenderObject::isFileUploadButton() const
-{
-    return m_renderer && isHTMLInputElement(m_renderer->node()) && toHTMLInputElement(*m_renderer->node()).type() == InputTypeNames::file;
-}
-
 static bool isLinkable(const AXObject& object)
 {
     if (!object.renderer())