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

Source/web/WebHelperPluginImpl.cpp

Index: Source/web/WebHelperPluginImpl.cpp
diff --git a/Source/web/WebHelperPluginImpl.cpp b/Source/web/WebHelperPluginImpl.cpp
index 163e40be168dea96db7569f3d38bcbc074e9ca96..bf0823689e9e225bfb70c82a9e66e61459dd5e4f 100644
--- a/Source/web/WebHelperPluginImpl.cpp
+++ b/Source/web/WebHelperPluginImpl.cpp
@@ -40,7 +40,7 @@
 #include "WebViewClient.h"
 #include "WebViewImpl.h"
 #include "WebWidgetClient.h"
-#include "core/dom/NodeList.h"
+#include "core/html/HTMLCollection.h"
 #include "core/html/HTMLPlugInElement.h"
 #include "core/loader/EmptyClients.h"
 #include "core/loader/FrameLoadRequest.h"
@@ -180,7 +180,7 @@ WebPlugin* WebHelperPluginImpl::getPlugin()
 {
     ASSERT(m_page);
 
-    RefPtr<NodeList> objectElements = m_page->mainFrame()->document()->getElementsByTagName(WebCore::HTMLNames::objectTag.localName());
+    RefPtr<HTMLCollection> objectElements = m_page->mainFrame()->document()->getElementsByTagName(WebCore::HTMLNames::objectTag.localName());
     ASSERT(objectElements && objectElements->length() == 1);
     if (!objectElements || objectElements->length() < 1)
         return 0;