Have getElementsByClassName() / getElementsByTagName*() return an HTMLCollection

Source/core/html/HTMLObjectElement.cpp

Index: Source/core/html/HTMLObjectElement.cpp
diff --git a/Source/core/html/HTMLObjectElement.cpp b/Source/core/html/HTMLObjectElement.cpp
index cf644a121f996151ec1b7df7397355217e378923..46505bdaf9ad3b6cec5537675ddfb8ea241ed588 100644
--- a/Source/core/html/HTMLObjectElement.cpp
+++ b/Source/core/html/HTMLObjectElement.cpp
@@ -28,12 +28,12 @@
 #include "bindings/v8/ScriptEventListener.h"
 #include "core/dom/Attribute.h"
 #include "core/dom/ElementTraversal.h"
-#include "core/dom/NodeList.h"
 #include "core/dom/Text.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/events/ThreadLocalEventNames.h"
 #include "core/fetch/ImageResource.h"
 #include "core/html/FormDataList.h"
+#include "core/html/HTMLCollection.h"
 #include "core/html/HTMLDocument.h"
 #include "core/html/HTMLImageLoader.h"
 #include "core/html/HTMLMetaElement.h"
@@ -235,7 +235,7 @@ bool HTMLObjectElement::shouldAllowQuickTimeClassIdQuirk()
         || !equalIgnoringCase(classId(), "clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B"))
         return false;
 
-    RefPtr<NodeList> metaElements = document().getElementsByTagName(HTMLNames::metaTag.localName());
+    RefPtr<HTMLCollection> metaElements = document().getElementsByTagName(HTMLNames::metaTag.localName());
     unsigned length = metaElements->length();
     for (unsigned i = 0; i < length; ++i) {
         ASSERT(metaElements->item(i)->isHTMLElement());