Picture element initial implementation

Source/core/html/HTMLPictureElement.idl

Index: Source/core/html/HTMLPictureElement.idl
diff --git a/Source/core/html/HTMLImageElement.idl b/Source/core/html/HTMLPictureElement.idl
similarity index 85%
copy from Source/core/html/HTMLImageElement.idl
copy to Source/core/html/HTMLPictureElement.idl
index 3287fd656525e214845d752126a49c5194499f6f..68b585ee1ab25fe7da78f0a1679acfe71ca80951 100644
--- a/Source/core/html/HTMLImageElement.idl
+++ b/Source/core/html/HTMLPictureElement.idl
@@ -17,30 +17,33 @@
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
+ 
 
 [
+    Conditional=PICTURE,
     SkipVTableValidation
-] interface HTMLImageElement : HTMLElement {
+] interface HTMLPictureElement : HTMLElement {
     [Reflect] attribute DOMString name;
     [Reflect] attribute DOMString align;
-    [Reflect] attribute DOMString alt;
     [Reflect] attribute DOMString border;
     [Reflect] attribute DOMString crossOrigin;
     attribute long height;
     [Reflect] attribute long hspace;
-    [Reflect] attribute boolean isMap;
-    [Reflect, URL] attribute DOMString longDesc;
     [Reflect, URL] attribute DOMString src;
-    [Reflect] attribute DOMString useMap;
     [Reflect] attribute long vspace;
     attribute long width;
     
     // Extensions
     readonly attribute boolean complete;
-    [Reflect,URL] attribute DOMString lowsrc;
     readonly attribute long naturalHeight;
     readonly attribute long naturalWidth;
     readonly attribute long x;
     readonly attribute long y;
-};
 
+};
+/*
+[
+    JSGenerateToNativeObject
+] interface HTMLPictureElement : HTMLImageElement {
+};
+*/