Oilpan: Move all supplements of Page, Document, and WorkerClients to the managed heap.

Source/core/xml/DocumentXPathEvaluator.cpp

Index: Source/core/xml/DocumentXPathEvaluator.cpp
diff --git a/Source/core/xml/DocumentXPathEvaluator.cpp b/Source/core/xml/DocumentXPathEvaluator.cpp
index 10dff253a3b13b1b62fee02d01cbc4921602f551..3e9b489fe360d8dbc1005bce1328a807642a129d 100644
--- a/Source/core/xml/DocumentXPathEvaluator.cpp
+++ b/Source/core/xml/DocumentXPathEvaluator.cpp
@@ -37,16 +37,12 @@ DocumentXPathEvaluator::DocumentXPathEvaluator()
 {
 }
 
-DocumentXPathEvaluator::~DocumentXPathEvaluator()
-{
-}
-
 DocumentXPathEvaluator& DocumentXPathEvaluator::from(DocumentSupplementable& document)
 {
     DocumentXPathEvaluator* cache = static_cast<DocumentXPathEvaluator*>(DocumentSupplement::from(document, supplementName()));
     if (!cache) {
         cache = new DocumentXPathEvaluator();
-        DocumentSupplement::provideTo(document, supplementName(), adoptPtr(cache));
+        DocumentSupplement::provideTo(document, supplementName(), adoptPtrWillBeNoop(cache));
     }
     return *cache;
 }
@@ -78,4 +74,9 @@ PassRefPtrWillBeRawPtr<XPathResult> DocumentXPathEvaluator::evaluate(DocumentSup
     return suplement.m_xpathEvaluator->evaluate(expression, contextNode, resolver, type, result, exceptionState);
 }
 
+void DocumentXPathEvaluator::trace(Visitor* visitor)
+{
+    visitor->trace(m_xpathEvaluator);
+}
+
 } // namespace WebCore