Add mojo::Binding<Interface> for more flexible pipe<->impl binding

mojo/services/window_manager/window_manager_impl.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "mojo/services/window_manager/window_manager_impl.h"
 
 #include "mojo/services/window_manager/window_manager_app.h"
 
 namespace mojo {
 
@@ skipping 56 matching lines @@
                                        const Callback<void(bool)>& callback) {
   if (!from_vm_)
     return;  // See comments for |from_vm_| on this.
 
   bool success = window_manager_->IsReady();
   if (success)
     window_manager_->ActivateWindow(view);
   callback.Run(success);
 }
 
-void WindowManagerImpl::OnConnectionEstablished() {
-}
-
 }  // namespace mojo