Chromium roll (https://codereview.chromium.org/976353002)

shell/test/pingable_app.cc

 // Copyright 2015 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/public/c/system/main.h"
 #include "mojo/public/cpp/application/application_delegate.h"
 #include "mojo/public/cpp/application/application_impl.h"
 #include "mojo/public/cpp/application/application_runner.h"
 #include "mojo/public/cpp/application/interface_factory.h"
 #include "mojo/public/cpp/bindings/callback.h"
@@ skipping 22 matching lines @@
 
   StrongBinding<Pingable> binding_;
   std::string app_url_;
   std::string connection_url_;
 };
 
 class PingableApp : public mojo::ApplicationDelegate,
                     public mojo::InterfaceFactory<Pingable> {
  public:
   PingableApp() {}
-  ~PingableApp() {}
+  ~PingableApp() override {}
 
  private:
   // ApplicationDelegate:
   void Initialize(ApplicationImpl* impl) override { app_url_ = impl->url(); }
 
   bool ConfigureIncomingConnection(
       mojo::ApplicationConnection* connection) override {
     connection->AddService(this);
     return true;
   }
 
   // InterfaceFactory<Pingable>:
   void Create(mojo::ApplicationConnection* connection,
               mojo::InterfaceRequest<Pingable> request) override {
     new PingableImpl(request.Pass(), app_url_, connection->GetConnectionURL());
   }
 
   std::string app_url_;
 };
 
 }  // namespace mojo
 
 MojoResult MojoMain(MojoHandle shell_handle) {
   mojo::ApplicationRunner runner(new mojo::PingableApp);
   return runner.Run(shell_handle);
 }