Shutdown cleanup

mojo/examples/sample_app/sample_app.cc

 // Copyright 2013 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 <stdio.h>
 #include <string>
 
 #include "mojo/examples/sample_app/gles2_client_impl.h"
 #include "mojo/public/cpp/application/application_connection.h"
 #include "mojo/public/cpp/application/application_delegate.h"
@@ skipping 30 matching lines @@
     viewport_->Show();
 
     CommandBufferPtr command_buffer;
     viewport_->CreateGLES2Context(Get(&command_buffer));
     gles2_client_.reset(new GLES2ClientImpl(command_buffer.Pass()));
   }
 
   virtual void OnCreated() MOJO_OVERRIDE {
   }
 
-  virtual void OnDestroyed() MOJO_OVERRIDE {
+  virtual void OnDestroyed(
+      const mojo::Callback<void()>& callback) MOJO_OVERRIDE {
     RunLoop::current()->Quit();
+    callback.Run();
   }
 
   virtual void OnBoundsChanged(RectPtr bounds) MOJO_OVERRIDE {
     assert(bounds);
     SizePtr size(Size::New());
     size->width = bounds->width;
     size->height = bounds->height;
     gles2_client_->SetSize(*size);
   }
 
@@ skipping 14 matching lines @@
 };
 
 }  // namespace examples
 
 // static
 ApplicationDelegate* ApplicationDelegate::Create() {
   return new examples::SampleApp();
 }
 
 }  // namespace mojo