2010-07-01 Simon Fraser <simon.fraser@apple.com>
[WebKit-https.git] / WebKit2 / WebProcess / WebPage / ChunkedUpdateDrawingArea.h
index bc00f01..13ae3fa 100644 (file)
@@ -46,6 +46,13 @@ public:
     virtual void setNeedsDisplay(const WebCore::IntRect&);
     virtual void display();
 
+#if USE(ACCELERATED_COMPOSITING)
+    virtual void attachCompositingContext(WebCore::GraphicsLayer*) { }
+    virtual void detachCompositingContext() { }
+    virtual void scheduleCompositingLayerSync() { }
+    virtual void syncCompositingLayers() { }
+#endif
+
     virtual void didReceiveMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder&);
 
 private: