Have DOMPatchSupport and DocumentFragment deal with Document references

Source/core/inspector/DOMPatchSupport.cpp

Index: Source/core/inspector/DOMPatchSupport.cpp
diff --git a/Source/core/inspector/DOMPatchSupport.cpp b/Source/core/inspector/DOMPatchSupport.cpp
index a61dd7346cf8355ebc9a448439317ca08a2db5f3..7f9867888db9ce8d5ad785ad5b346b8f97f5a7b7 100644
--- a/Source/core/inspector/DOMPatchSupport.cpp
+++ b/Source/core/inspector/DOMPatchSupport.cpp
@@ -68,7 +68,7 @@ struct DOMPatchSupport::Digest {
     Vector<OwnPtr<Digest> > m_children;
 };
 
-void DOMPatchSupport::patchDocument(Document* document, const String& markup)
+void DOMPatchSupport::patchDocument(Document& document, const String& markup)
 {
     InspectorHistory history;
     DOMEditor domEditor(&history);
@@ -76,7 +76,7 @@ void DOMPatchSupport::patchDocument(Document* document, const String& markup)
     patchSupport.patchDocument(markup);
 }
 
-DOMPatchSupport::DOMPatchSupport(DOMEditor* domEditor, Document* document)
+DOMPatchSupport::DOMPatchSupport(DOMEditor* domEditor, Document& document)
     : m_domEditor(domEditor)
     , m_document(document)
 {
@@ -87,17 +87,17 @@ DOMPatchSupport::~DOMPatchSupport() { }
 void DOMPatchSupport::patchDocument(const String& markup)
 {
     RefPtr<Document> newDocument;
-    if (m_document->isHTMLDocument())
+    if (m_document.isHTMLDocument())
         newDocument = HTMLDocument::create();
-    else if (m_document->isXHTMLDocument())
+    else if (m_document.isXHTMLDocument())
         newDocument = HTMLDocument::createXHTML();
-    else if (m_document->isSVGDocument())
+    else if (m_document.isSVGDocument())
         newDocument = Document::create();
 
     ASSERT(newDocument);
-    newDocument->setContextFeatures(m_document->contextFeatures());
+    newDocument->setContextFeatures(m_document.contextFeatures());
     RefPtr<DocumentParser> parser;
-    if (m_document->isHTMLDocument())
+    if (m_document.isHTMLDocument())
         parser = HTMLDocumentParser::create(toHTMLDocument(newDocument.get()), false);
     else
         parser = XMLDocumentParser::create(newDocument.get(), 0);
@@ -105,13 +105,13 @@ void DOMPatchSupport::patchDocument(const String& markup)
     parser->finish();
     parser->detach();
 
-    OwnPtr<Digest> oldInfo = createDigest(m_document->documentElement(), 0);
+    OwnPtr<Digest> oldInfo = createDigest(m_document.documentElement(), 0);
     OwnPtr<Digest> newInfo = createDigest(newDocument->documentElement(), &m_unusedNodesMap);
 
     if (!innerPatchNode(oldInfo.get(), newInfo.get(), IGNORE_EXCEPTION)) {
         // Fall back to rewrite.
-        m_document->write(markup);
-        m_document->close();
+        m_document.write(markup);
+        m_document.close();
     }
 }
 
@@ -126,10 +126,10 @@ Node* DOMPatchSupport::patchNode(Node* node, const String& markup, ExceptionStat
     Node* previousSibling = node->previousSibling();
     // FIXME: This code should use one of createFragment* in markup.h
     RefPtr<DocumentFragment> fragment = DocumentFragment::create(m_document);
-    if (m_document->isHTMLDocument())
-        fragment->parseHTML(markup, node->parentElement() ? node->parentElement() : m_document->documentElement());
+    if (m_document.isHTMLDocument())
+        fragment->parseHTML(markup, node->parentElement() ? node->parentElement() : m_document.documentElement());
     else
-        fragment->parseXML(markup, node->parentElement() ? node->parentElement() : m_document->documentElement());
+        fragment->parseXML(markup, node->parentElement() ? node->parentElement() : m_document.documentElement());
 
     // Compose the old list.
     ContainerNode* parentNode = node->parentNode();