1 files changed, 10 insertions, 6 deletions
diff --git a/Source/JavaScriptCore/runtime/GCActivityCallback.h b/Source/JavaScriptCore/runtime/GCActivityCallback.h
index f40ebee5b..1a18a8b45 100644
--- a/Source/JavaScriptCore/runtime/GCActivityCallback.h
+++ b/Source/JavaScriptCore/runtime/GCActivityCallback.h
@@ -42,9 +42,11 @@ class Heap;
 
 class GCActivityCallback {
 public:
-    virtual ~GCActivityCallback() {}
-    virtual void operator()() {}
-    virtual void synchronize() {}
+    virtual ~GCActivityCallback() { }
+    virtual void didAllocate(size_t) { }
+    virtual void willCollect() { }
+    virtual void synchronize() { }
+    virtual void cancel() { }
 
 protected:
     GCActivityCallback() {}
@@ -57,10 +59,12 @@ public:
     static PassOwnPtr<DefaultGCActivityCallback> create(Heap*);
 
     DefaultGCActivityCallback(Heap*);
-    ~DefaultGCActivityCallback();
+    virtual ~DefaultGCActivityCallback();
 
-    void operator()();
-    void synchronize();
+    virtual void didAllocate(size_t);
+    virtual void willCollect();
+    virtual void synchronize();
+    virtual void cancel();
 
 #if USE(CF)
 protected: