Remove DOMImplementation.

sky/engine/core/dom/Document.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
@@ skipping 35 matching lines @@
 #include "core/css/MediaQueryMatcher.h"
 #include "core/css/StylePropertySet.h"
 #include "core/css/StyleSheetContents.h"
 #include "core/css/StyleSheetList.h"
 #include "core/css/invalidation/StyleInvalidator.h"
 #include "core/css/parser/BisonCSSParser.h"
 #include "core/css/resolver/FontBuilder.h"
 #include "core/css/resolver/StyleResolver.h"
 #include "core/css/resolver/StyleResolverStats.h"
 #include "core/dom/Attr.h"
-#include "core/dom/DOMImplementation.h"
 #include "core/dom/DocumentFragment.h"
 #include "core/dom/DocumentLifecycleNotifier.h"
 #include "core/dom/DocumentLifecycleObserver.h"
 #include "core/dom/DocumentMarkerController.h"
 #include "core/dom/Element.h"
 #include "core/dom/ElementDataCache.h"
 #include "core/dom/ElementTraversal.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/MutationObserver.h"
 #include "core/dom/NodeRareData.h"
@@ skipping 340 matching lines @@
 #ifndef NDEBUG
     liveDocumentSet().remove(this);
 #endif
 #endif
 
     setClient(0);
 
     InspectorCounters::decrementCounter(InspectorCounters::DocumentCounter);
 }
 
+PassRefPtr<Document> Document::create(Document& document)
+{
+    DocumentInit init = DocumentInit::fromContext(document.contextDocument())
+        .withRegistrationContext(document.registrationContext());
+    return HTMLDocument::create(init);
+}
+
 #if !ENABLE(OILPAN)
 void Document::dispose()
 {
     ASSERT_WITH_SECURITY_IMPLICATION(!m_deletionHasBegun);
 
     // We must make sure not to be retaining any of our children through
     // these extra pointers or we will create a reference cycle.
     m_focusedElement = nullptr;
     m_hoverNode = nullptr;
     m_activeHoverElement = nullptr;
@@ skipping 41 matching lines @@
         m_mediaQueryMatcher = MediaQueryMatcher::create(*this);
     return *m_mediaQueryMatcher;
 }
 
 void Document::mediaQueryAffectingValueChanged()
 {
     m_evaluateMediaQueriesOnStyleRecalc = true;
     styleEngine()->clearMediaQueryRuleSetStyleSheets();
 }
 
-DOMImplementation& Document::implementation()
-{
-    if (!m_implementation)
-        m_implementation = DOMImplementation::create(*this);
-    return *m_implementation;
-}
-
 Location* Document::location() const
 {
     if (!frame())
         return 0;
 
     return &domWindow()->location();
 }
 
 void Document::childrenChanged(const ChildrenChange& change)
 {
@@ skipping 2630 matching lines @@
 using namespace blink;
 void showLiveDocumentInstances()
 {
     WeakDocumentSet& set = liveDocumentSet();
     fprintf(stderr, "There are %u documents currently alive:\n", set.size());
     for (WeakDocumentSet::const_iterator it = set.begin(); it != set.end(); ++it) {
         fprintf(stderr, "- Document %p URL: %s\n", *it, (*it)->url().string().utf8().data());
     }
 }
 #endif