Mojo: Add BindingsSupportImpl on top of HandleWatcher

mojo/public/bindings/lib/connector.h

Index: mojo/public/bindings/lib/connector.h
diff --git a/mojo/public/bindings/lib/connector.h b/mojo/public/bindings/lib/connector.h
index ec01cdeeacd1f202fe1dd2d3458d2c231178abf5..388d9c343b2026e8f53bacb55ea737a9f301cd37 100644
--- a/mojo/public/bindings/lib/connector.h
+++ b/mojo/public/bindings/lib/connector.h
@@ -42,15 +42,16 @@ class Connector : public MessageReceiver {
   class Callback : public BindingsSupport::AsyncWaitCallback {
    public:
     Callback();
+    virtual ~Callback();
 
-    void Cancel();
     void SetOwnerToNotify(Connector* owner);
-    bool IsPending() const;
+    void SetAsyncWaitID(BindingsSupport::AsyncWaitID async_wait_id);
 
     virtual void OnHandleReady(MojoResult result) MOJO_OVERRIDE;
 
    private:
     Connector* owner_;
+    BindingsSupport::AsyncWaitID async_wait_id_;
   };

[sky, 2013/11/08 16:44:02]

DISALLOW_...?

   friend class Callback;