Remove some orphaned USE macros.

Source/core/dom/TransformSource.h

Index: Source/core/dom/TransformSource.h
diff --git a/Source/core/dom/TransformSource.h b/Source/core/dom/TransformSource.h
index b9ff00f15ab61827da7828a3012882ed4750e7db..002e9123255d496e959124970e26371250bb5028 100644
--- a/Source/core/dom/TransformSource.h
+++ b/Source/core/dom/TransformSource.h
@@ -20,6 +20,7 @@
 #ifndef TransformSource_h
 #define TransformSource_h
 
+#include <libxml/tree.h>
 #include <wtf/FastAllocBase.h>
 #include <wtf/Forward.h>
 #include <wtf/Noncopyable.h>
@@ -27,22 +28,16 @@
 
 namespace WebCore {
 
-#if USE(QXMLQUERY)
-    typedef String PlatformTransformSource;
-#else
-    typedef void* PlatformTransformSource;
-#endif
-
     class TransformSource {
         WTF_MAKE_NONCOPYABLE(TransformSource); WTF_MAKE_FAST_ALLOCATED;
     public:
-        explicit TransformSource(const PlatformTransformSource&);
+        explicit TransformSource(xmlDocPtr source);
         ~TransformSource();
 
-        PlatformTransformSource platformSource() const { return m_source; }
+        xmlDocPtr platformSource() const { return m_source; }
 
     private:
-        PlatformTransformSource m_source;
+        xmlDocPtr m_source;
     };
 
 } // namespace WebCore