Oilpan: have xml/ objects on the heap by default.

Source/core/xml/XPathResult.cpp

Index: Source/core/xml/XPathResult.cpp
diff --git a/Source/core/xml/XPathResult.cpp b/Source/core/xml/XPathResult.cpp
index 613a3ed2b76f0df1d93d9a8279768608a91d425b..99706398790068ef96f9560fa161b3400f36eee2 100644
--- a/Source/core/xml/XPathResult.cpp
+++ b/Source/core/xml/XPathResult.cpp
@@ -37,8 +37,6 @@ namespace blink {
 
 using namespace XPath;
 
-DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(XPathResult);
-
 XPathResult::XPathResult(EvaluationContext& context, const Value& value)
     : m_value(value)
     , m_nodeSetPosition(0)
@@ -65,6 +63,10 @@ XPathResult::XPathResult(EvaluationContext& context, const Value& value)
     ASSERT_NOT_REACHED();
 }
 
+XPathResult::~XPathResult()
+{
+}
+
 DEFINE_TRACE(XPathResult)
 {
     visitor->trace(m_value);