bindings: Adds virtual ScriptWrappable::wrap method.

Source/core/css/MediaList.h

Index: Source/core/css/MediaList.h
diff --git a/Source/core/css/MediaList.h b/Source/core/css/MediaList.h
index 98107aad9a094dcef747d6ceac8688ea702e0ae6..834689537d171185e3bc2c3a12a366574d9ac3aa 100644
--- a/Source/core/css/MediaList.h
+++ b/Source/core/css/MediaList.h
@@ -71,6 +71,7 @@ private:
 };
 
 class MediaList : public RefCountedWillBeGarbageCollectedFinalized<MediaList>, public ScriptWrappable {
+    DEFINE_WRAPPERTYPEINFO();
 public:
     static PassRefPtrWillBeRawPtr<MediaList> create(MediaQuerySet* mediaQueries, CSSStyleSheet* parentSheet)
     {
@@ -120,6 +121,6 @@ private:
 // Adds message to inspector console whenever dpi or dpcm values are used for "screen" media.
 void reportMediaQueryWarningIfNeeded(Document*, const MediaQuerySet*);
 
-} // namespace
+} // namespace blink
 
 #endif