Oilpan: move editing objects to the heap.

Source/core/editing/RemoveCSSPropertyCommand.cpp

Index: Source/core/editing/RemoveCSSPropertyCommand.cpp
diff --git a/Source/core/editing/RemoveCSSPropertyCommand.cpp b/Source/core/editing/RemoveCSSPropertyCommand.cpp
index f7d463aa3c244d638a464b406da16d997ca56acf..34126e33b82294380865fc3eccf8d9ec036c5612 100644
--- a/Source/core/editing/RemoveCSSPropertyCommand.cpp
+++ b/Source/core/editing/RemoveCSSPropertyCommand.cpp
@@ -34,7 +34,7 @@
 
 namespace WebCore {
 
-RemoveCSSPropertyCommand::RemoveCSSPropertyCommand(Document& document, PassRefPtr<Element> element, CSSPropertyID property)
+RemoveCSSPropertyCommand::RemoveCSSPropertyCommand(Document& document, PassRefPtrWillBeRawPtr<Element> element, CSSPropertyID property)
     : SimpleEditCommand(document)
     , m_element(element)
     , m_property(property)
@@ -66,4 +66,10 @@ void RemoveCSSPropertyCommand::doUnapply()
     m_element->style()->setPropertyInternal(m_property, m_oldValue, m_important, IGNORE_EXCEPTION);
 }
 
+void RemoveCSSPropertyCommand::trace(Visitor* visitor)
+{
+    visitor->trace(m_element);
+    SimpleEditCommand::trace(visitor);
+}
+
 } // namespace WebCore