Sync HTML element interfaces S-V with the spec

Source/core/html/HTMLInputElement.idl

Index: Source/core/html/HTMLInputElement.idl
diff --git a/Source/core/html/HTMLInputElement.idl b/Source/core/html/HTMLInputElement.idl
index 74e015a0ffecc2ff168ed03213a6884df46d4cf4..78b517f9fe8aa9224ad4c8004e114bb8f29c0f99 100644
--- a/Source/core/html/HTMLInputElement.idl
+++ b/Source/core/html/HTMLInputElement.idl
@@ -19,12 +19,11 @@
  * Boston, MA 02110-1301, USA.
  */
 
-// https://html.spec.whatwg.org/#htmlinputelement
+// https://html.spec.whatwg.org/#the-input-element
 
 interface HTMLInputElement : HTMLElement {
     [Reflect] attribute DOMString accept;
     [Reflect] attribute DOMString alt;
-    attribute DOMString autocapitalize;
     [Reflect] attribute DOMString autocomplete;
     [Reflect] attribute boolean autofocus;
     [Reflect=checked] attribute boolean defaultChecked;
@@ -101,6 +100,10 @@ interface HTMLInputElement : HTMLElement {
     [Reflect] attribute DOMString align;
     [Reflect] attribute DOMString useMap;
 
+    // HTML autocapitalize proposal
+    // https://github.com/mounirlamouri/html-autocapitalize/blob/master/proposal.md
+    attribute DOMString autocapitalize;
+
     // HTML Media Capture
     // http://www.w3.org/TR/html-media-capture/
     [RuntimeEnabled=MediaCapture, Reflect] attribute boolean capture;