Change GamepadTouch to dictionary

index.html

@@ -1169,22 +1169,22 @@ <h2>
     </section>
     <section data-dfn-for="GamepadTouch">
       <h2>
-        <dfn>GamepadTouch</dfn> Interface
+        <dfn>GamepadTouch</dfn> dictionary
       </h2>
       <p>
-        This interface defines a single touch event on a gamepad device that
+        This dictionary defines a single touch on a gamepad device that
         supports input. The event consists of a touch id that uniquely
         identifies the touch point from the time the input medium (e.g. finger,
         stylus, etc) makes contact with the touch device, up to the time the
         input medium is no longer making contact with the touch device.
       </p>
       <pre class="idl">
         [Exposed=Window, SecureContext]
-        interface GamepadTouch {
-          readonly attribute unsigned long touchId;
-          readonly attribute octet surfaceId;
-          readonly attribute Float32Array position;
-          readonly attribute Uint32Array? surfaceDimensions;
+        dictionary GamepadTouch {
+          unsigned long touchId;
+          octet surfaceId;
+          Float32Array position;
+          Uint32Array surfaceDimensions;
         };
       </pre>
       <dl>