Drop Element::isHTMLFrameElementBase() virtual function

Source/web/WebPageSerializer.cpp

Index: Source/web/WebPageSerializer.cpp
diff --git a/Source/web/WebPageSerializer.cpp b/Source/web/WebPageSerializer.cpp
index 4df430c537fe381963c7aec7df378899ca23688d..ad880078c6136b73a6192511621304ebcdf430f0 100644
--- a/Source/web/WebPageSerializer.cpp
+++ b/Source/web/WebPageSerializer.cpp
@@ -42,6 +42,7 @@
 #include "core/dom/Element.h"
 #include "core/frame/LocalFrame.h"
 #include "core/html/HTMLAllCollection.h"
+#include "core/html/HTMLFrameElementBase.h"
 #include "core/html/HTMLFrameOwnerElement.h"
 #include "core/html/HTMLInputElement.h"
 #include "core/html/HTMLTableElement.h"
@@ -111,9 +112,7 @@ void retrieveResourcesForElement(Element* element,
 {
     ASSERT(element);
     // If the node is a frame, we'll process it later in retrieveResourcesForFrame.
-    if ((isHTMLIFrameElement(*element) || isHTMLFrameElement(*element)
-        || isHTMLObjectElement(*element) || isHTMLEmbedElement(*element))
-            && element->isFrameOwnerElement()) {
+    if (isHTMLFrameElementBase(*element) || isHTMLObjectElement(*element) || isHTMLEmbedElement(*element)) {
         if (LocalFrame* frame = toHTMLFrameOwnerElement(element)->contentFrame()) {
             if (!visitedFrames->contains(frame))
                 framesToVisit->append(frame);