Get rid of KeepAlive. Quit shell when all urls run directly by Context are closed.

mojo/public/cpp/application/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_PUBLIC_APPLICATION_APPLICATION_IMPL_H_
 #define MOJO_PUBLIC_APPLICATION_APPLICATION_IMPL_H_
 #include <vector>
 
 #include "mojo/public/cpp/application/application_connection.h"
 #include "mojo/public/cpp/application/lib/service_connector.h"
@@ skipping 64 matching lines @@
     explicit ShellPtrWatcher(ApplicationImpl* impl);
     virtual ~ShellPtrWatcher();
     virtual void OnConnectionError() MOJO_OVERRIDE;
    private:
     ApplicationImpl* impl_;
     MOJO_DISALLOW_COPY_AND_ASSIGN(ShellPtrWatcher);
   };
 
   void BindShell(ScopedMessagePipeHandle shell_handle);
   void ClearConnections();
-  void OnShellError() { ClearConnections(); Terminate(); };
+  void OnShellError() {
+    ClearConnections();
+    Terminate();
+  };
 
   // Quits the main run loop for this application.
   static void Terminate();
 
   // Application implementation.
   virtual void AcceptConnection(const String& requestor_url,
                                 ServiceProviderPtr provider) MOJO_OVERRIDE;
 
   typedef std::vector<internal::ServiceRegistry*> ServiceRegistryList;
   ServiceRegistryList incoming_service_registries_;
   ServiceRegistryList outgoing_service_registries_;
   ApplicationDelegate* delegate_;
   ShellPtr shell_;
   ShellPtrWatcher shell_watch_;
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(ApplicationImpl);
 };
 
 }  // namespace mojo
 
 #endif  // MOJO_PUBLIC_APPLICATION_APPLICATION_IMPL_H_