ApplicationConnection devolution, part 3.1.

examples/apptest/example_service_application.h

 // 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.
 
 #ifndef MOJO_EXAMPLES_TEST_EXAMPLE_SERVICE_APPLICATION_H_
 #define MOJO_EXAMPLES_TEST_EXAMPLE_SERVICE_APPLICATION_H_
 
 #include "examples/apptest/example_service_impl.h"
 #include "mojo/public/cpp/application/application_delegate.h"
 #include "mojo/public/cpp/system/macros.h"
 
 namespace mojo {
 
-class ApplicationConnection;
-
 class ExampleServiceApplication : public ApplicationDelegate {
  public:
   ExampleServiceApplication();
   ~ExampleServiceApplication() override;
 
  private:
   // ApplicationDelegate implementation.
   bool ConfigureIncomingConnection(
       ServiceProviderImpl* service_provider_impl) override;
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(ExampleServiceApplication);
 };
 
 }  // namespace mojo
 
 #endif  // MOJO_EXAMPLES_TEST_EXAMPLE_SERVICE_APPLICATION_H_