Document 104 Source/core/css/FontFaceSet.h typedef RefCountedSupplement<Document, FontFaceSet> SupplementType; Document 518 Source/core/dom/Document.cpp Document::~Document() Document 125 Source/core/html/HTMLMediaElement.cpp typedef HashMap<Document*, HashSet<HTMLMediaElement*> > DocumentElementSetMap; Document 201 Source/core/inspector/InspectorCSSAgent.h typedef HashMap<Document*, OwnPtr<HashSet<CSSStyleSheet*> > > DocumentStyleSheets;