Mandoline: Introduce ApplicationConnection::CloseConnection

mojo/application/public/cpp/application_impl.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_APPLICATION_PUBLIC_CPP_APPLICATION_IMPL_H_
 #define MOJO_APPLICATION_PUBLIC_CPP_APPLICATION_IMPL_H_
 
 #include <vector>
 
 #include "base/callback.h"
@@ skipping 61 matching lines @@
   // the ApplicationImpl is destroyed.
   Shell* shell() const { return shell_.get(); }
 
   const std::string& url() const { return url_; }
 
   AppLifetimeHelper* app_lifetime_helper() { return &app_lifetime_helper_; }
 
   // Requests a new connection to an application. Returns a pointer to the
   // connection if the connection is permitted by this application's delegate,
   // or nullptr otherwise. Caller does not take ownership. The pointer remains
-  // valid until an error occurs on the connection with the Shell, or until the
-  // ApplicationImpl is destroyed, whichever occurs first.
+  // valid until an error occurs on the connection with the Shell, until the
+  // ApplicationImpl is destroyed, or until the connection is closed through a
+  // call to ApplicationConnection::CloseConnection.
   ApplicationConnection* ConnectToApplication(mojo::URLRequestPtr request);
 
+  // Closes the |connection|.
+  void CloseConnection(ApplicationConnection* connection);
+
   // Connect to application identified by |request->url| and connect to the
   // service implementation of the interface identified by |Interface|.
   template <typename Interface>
   void ConnectToService(mojo::URLRequestPtr request,
                         InterfacePtr<Interface>* ptr) {
     ConnectToApplication(request.Pass())->ConnectToService(ptr);
   }
 
   // Application implementation.
   void Initialize(ShellPtr shell, const mojo::String& url) override;
@@ skipping 31 matching lines @@
 
   ServiceRegistryList incoming_service_registries_;
   ServiceRegistryList outgoing_service_registries_;
   ApplicationDelegate* delegate_;
   Binding<Application> binding_;
   ShellPtr shell_;
   std::string url_;
   base::Closure termination_closure_;
   AppLifetimeHelper app_lifetime_helper_;
   bool quit_requested_;
+  bool in_destructor_;
   base::WeakPtrFactory<ApplicationImpl> weak_factory_;
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(ApplicationImpl);
 };
 
 }  // namespace mojo
 
 #endif  // MOJO_APPLICATION_PUBLIC_CPP_APPLICATION_IMPL_H_