1 files changed, 12 insertions, 5 deletions
diff --git a/WebCore/html/canvas/CanvasObject.h b/WebCore/html/canvas/CanvasObject.h
index 748278d..b7b016a 100644
--- a/WebCore/html/canvas/CanvasObject.h
+++ b/WebCore/html/canvas/CanvasObject.h
@@ -33,14 +33,14 @@
 
 namespace WebCore {
 
-    class CanvasRenderingContext3D;
+    class WebGLRenderingContext;
     
     class CanvasObject : public RefCounted<CanvasObject> {
     public:
         virtual ~CanvasObject();
         
         Platform3DObject object() const { return m_object; }
-        void setObject(Platform3DObject);
+        void setObject(Platform3DObject, bool shouldDeleteObject = true);
         void deleteObject();
         
         void detachContext()
@@ -49,15 +49,22 @@ namespace WebCore {
             m_context = 0;
         }
 
-        CanvasRenderingContext3D* context() const { return m_context; }
+        WebGLRenderingContext* context() const { return m_context; }
 
     protected:
-        CanvasObject(CanvasRenderingContext3D*);
+        CanvasObject(WebGLRenderingContext*);
         virtual void _deleteObject(Platform3DObject) = 0;
     
     private:
         Platform3DObject m_object;
-        CanvasRenderingContext3D* m_context;
+        // The shouldDeleteObject flag indicates whether this wrapper
+        // owns the underlying resource and should delete it when the
+        // wrapper is unreferenced for the last time and deleted. It
+        // is only set to false for certain objects returned from get
+        // queries. FIXME: should consider canonicalizing all of these
+        // objects in the future.
+        bool m_shouldDeleteObject;
+        WebGLRenderingContext* m_context;
     };
     
 } // namespace WebCore