Picture element initial implementation

Source/core/html/HTMLImageElement.cpp

Index: Source/core/html/HTMLImageElement.cpp
diff --git a/Source/core/html/HTMLImageElement.cpp b/Source/core/html/HTMLImageElement.cpp
index d1b5f9807e5c1b5c07d71db5e1b7ba4cf11dc9cf..6d0564b99672dcb779dea6a1833b12e9fd9fcbf0 100644
--- a/Source/core/html/HTMLImageElement.cpp
+++ b/Source/core/html/HTMLImageElement.cpp
@@ -48,7 +48,11 @@ HTMLImageElement::HTMLImageElement(const QualifiedName& tagName, Document* docum
     , m_form(form)
     , m_compositeOperator(CompositeSourceOver)
 {
-    ASSERT(hasTagName(imgTag));
+    ASSERT((hasTagName(imgTag)) 
+#if ENABLE(PICTURE)
+        || (hasTagName(pictureTag))
+#endif
+        );
     ScriptWrappable::init(this);
     if (form)
         form->registerImgElement(this);
@@ -198,6 +202,10 @@ Node::InsertionNotificationRequest HTMLImageElement::insertedInto(ContainerNode*
     return HTMLElement::insertedInto(insertionPoint);
 }
 
+void HTMLImageElement::updateResources()
+{
+    m_imageLoader.updateFromElement();
+}
 void HTMLImageElement::removedFrom(ContainerNode* insertionPoint)
 {
     if (m_form)