Oilpan: move editing objects to the heap.

Source/core/editing/WrapContentsInDummySpanCommand.cpp

Index: Source/core/editing/WrapContentsInDummySpanCommand.cpp
diff --git a/Source/core/editing/WrapContentsInDummySpanCommand.cpp b/Source/core/editing/WrapContentsInDummySpanCommand.cpp
index dc5290923bb7fe641a5435971dde7dfaf997725d..b63e16ec5020769b825e029f481de017022f69ee 100644
--- a/Source/core/editing/WrapContentsInDummySpanCommand.cpp
+++ b/Source/core/editing/WrapContentsInDummySpanCommand.cpp
@@ -32,7 +32,7 @@
 
 namespace WebCore {
 
-WrapContentsInDummySpanCommand::WrapContentsInDummySpanCommand(PassRefPtr<Element> element)
+WrapContentsInDummySpanCommand::WrapContentsInDummySpanCommand(PassRefPtrWillBeRawPtr<Element> element)
     : SimpleEditCommand(element->document())
     , m_element(element)
 {
@@ -87,4 +87,11 @@ void WrapContentsInDummySpanCommand::doReapply()
     executeApply();
 }
 
+void WrapContentsInDummySpanCommand::trace(Visitor* visitor)
+{
+    visitor->trace(m_element);
+    visitor->trace(m_dummySpan);
+    SimpleEditCommand::trace(visitor);
+}
+
 } // namespace WebCore