Remove MicroData implementation

Source/WebCore/dom/Document.cpp

Index: Source/WebCore/dom/Document.cpp
diff --git a/Source/WebCore/dom/Document.cpp b/Source/WebCore/dom/Document.cpp
index aa28c385a046eb5cb7fe5ded9cbec5e29df85acf..20cbba8853e89b4cfe2a0dcc54529006eaf912cb 100644
--- a/Source/WebCore/dom/Document.cpp
+++ b/Source/WebCore/dom/Document.cpp
@@ -221,11 +221,6 @@
 #include "MathMLNames.h"
 #endif
 
-#if ENABLE(MICRODATA)
-#include "MicroDataItemList.h"
-#include "NodeRareData.h"
-#endif
-
 #if ENABLE(LINK_PRERENDER)
 #include "Prerenderer.h"
 #endif
@@ -5601,17 +5596,6 @@ DocumentLoader* Document::loader() const
     return loader;
 }
 
-#if ENABLE(MICRODATA)
-PassRefPtr<NodeList> Document::getItems(const String& typeNames)
-{
-    // Since documet.getItem() is allowed for microdata, typeNames will be null string.
-    // In this case we need to create an empty string identifier to map such request in the cache.
-    String localTypeNames = typeNames.isNull() ? MicroDataItemList::undefinedItemType() : typeNames;
-
-    return ensureRareData()->ensureNodeLists()->addCacheWithName<MicroDataItemList>(this, MicroDataItemListType, localTypeNames);
-}
-#endif
-
 IntSize Document::viewportSize() const
 {
     if (!view())