Adds virtual destructors for AbstractWeakReferenceMap and AbstractWeakReferenceMap::Visitor

https://bugs.webkit.org/show_bug.cgi?id=34434

Reviewed by Adam Barth.

No new tests, build fix only.

* bindings/v8/V8DOMMap.h: Modified.
(WebCore::AbstractWeakReferenceMap::~AbstractWeakReferenceMap): Added.
(WebCore::AbstractWeakReferenceMap::Visitor::~Visitor): Added.



git-svn-id: svn://svn.chromium.org/blink/trunk@54218 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/WebCore/ChangeLog

+2010-02-02  Steve Block  <steveblock@google.com>
+
+        Reviewed by Adam Barth.
+
+        Adds virtual destructors for AbstractWeakReferenceMap and AbstractWeakReferenceMap::Visitor
+        https://bugs.webkit.org/show_bug.cgi?id=34434
+
+        No new tests, build fix only.
+
+        * bindings/v8/V8DOMMap.h: Modified.
+        (WebCore::AbstractWeakReferenceMap::~AbstractWeakReferenceMap): Added.
+        (WebCore::AbstractWeakReferenceMap::Visitor::~Visitor): Added.
+
 2010-02-02  Avi Drissman  <avi@chromium.org>
 
         Reviewed by Eric Seidel.

third_party/WebKit/WebCore/bindings/v8/V8DOMMap.h

@@ -44,10 +44,13 @@ namespace WebCore {
     template <class KeyType, class ValueType> class AbstractWeakReferenceMap {
     public:
         AbstractWeakReferenceMap(v8::WeakReferenceCallback callback) : m_weakReferenceCallback(callback) { }
+        virtual ~AbstractWeakReferenceMap() { }
 
         class Visitor {
         public:
             virtual void visitDOMWrapper(KeyType* key, v8::Persistent<ValueType> object) = 0;
+        protected:
+            virtual ~Visitor() { }
         };
 
         virtual v8::Persistent<ValueType> get(KeyType* obj) = 0;