Oilpan: make DocumentFragment a heap allocated object.

Source/core/editing/markup.h

Index: Source/core/editing/markup.h
diff --git a/Source/core/editing/markup.h b/Source/core/editing/markup.h
index 41dd3d691ed98e9aedb145619668efba45899d48..c125a648aed072372da9b1ce1d9d01ded9d16aea 100644
--- a/Source/core/editing/markup.h
+++ b/Source/core/editing/markup.h
@@ -28,6 +28,7 @@
 
 #include "core/dom/ParserContentPolicy.h"
 #include "core/editing/HTMLInterchange.h"
+#include "platform/heap/Handle.h"
 #include "wtf/Forward.h"
 #include "wtf/Vector.h"
 
@@ -47,18 +48,18 @@ class Range;
 enum EChildrenOnly { IncludeNode, ChildrenOnly };
 enum EAbsoluteURLs { DoNotResolveURLs, ResolveAllURLs, ResolveNonLocalURLs };
 
-PassRefPtr<DocumentFragment> createFragmentFromText(Range* context, const String& text);
-PassRefPtr<DocumentFragment> createFragmentFromMarkup(Document&, const String& markup, const String& baseURL, ParserContentPolicy = AllowScriptingContent);
-PassRefPtr<DocumentFragment> createFragmentFromMarkupWithContext(Document&, const String& markup, unsigned fragmentStart, unsigned fragmentEnd, const String& baseURL, ParserContentPolicy);
-PassRefPtr<DocumentFragment> createFragmentForInnerOuterHTML(const String&, Element*, ParserContentPolicy, const char* method, ExceptionState&);
-PassRefPtr<DocumentFragment> createFragmentForTransformToFragment(const String&, const String& sourceMIMEType, Document& outputDoc);
-PassRefPtr<DocumentFragment> createContextualFragment(const String&, HTMLElement*, ParserContentPolicy, ExceptionState&);
+PassRefPtrWillBeRawPtr<DocumentFragment> createFragmentFromText(Range* context, const String& text);
+PassRefPtrWillBeRawPtr<DocumentFragment> createFragmentFromMarkup(Document&, const String& markup, const String& baseURL, ParserContentPolicy = AllowScriptingContent);
+PassRefPtrWillBeRawPtr<DocumentFragment> createFragmentFromMarkupWithContext(Document&, const String& markup, unsigned fragmentStart, unsigned fragmentEnd, const String& baseURL, ParserContentPolicy);
+PassRefPtrWillBeRawPtr<DocumentFragment> createFragmentForInnerOuterHTML(const String&, Element*, ParserContentPolicy, const char* method, ExceptionState&);
+PassRefPtrWillBeRawPtr<DocumentFragment> createFragmentForTransformToFragment(const String&, const String& sourceMIMEType, Document& outputDoc);
+PassRefPtrWillBeRawPtr<DocumentFragment> createContextualFragment(const String&, HTMLElement*, ParserContentPolicy, ExceptionState&);
 
 bool isPlainTextMarkup(Node*);
 
 // These methods are used by HTMLElement & ShadowRoot to replace the
 // children with respected fragment/text.
-void replaceChildrenWithFragment(ContainerNode*, PassRefPtr<DocumentFragment>, ExceptionState&);
+void replaceChildrenWithFragment(ContainerNode*, PassRefPtrWillBeRawPtr<DocumentFragment>, ExceptionState&);
 void replaceChildrenWithText(ContainerNode*, const String&, ExceptionState&);
 
 String createMarkup(const Range*, Vector<Node*>* = 0, EAnnotateForInterchange = DoNotAnnotateForInterchange, bool convertBlocksToInlines = false, EAbsoluteURLs = DoNotResolveURLs, Node* constrainingAncestor = 0);