Rename ApplicationDelegate to ShellClient

mojo/shell/public/cpp/application_delegate.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_SHELL_PUBLIC_CPP_APPLICATION_DELEGATE_H_
-#define MOJO_SHELL_PUBLIC_CPP_APPLICATION_DELEGATE_H_
-
-#include <stdint.h>
-#include <string>
-
-#include "mojo/public/cpp/system/macros.h"
-
-namespace mojo {
-
-class ApplicationConnection;
-class ApplicationImpl;
-class Shell;
-
-// An abstract class that the application may subclass to control various
-// behaviors of ApplicationImpl.
-class ApplicationDelegate {
- public:
-  ApplicationDelegate();
-  virtual ~ApplicationDelegate();
-
-  // Called exactly once before any other method.
-  virtual void Initialize(Shell* app, const std::string& url, uint32_t id);
-
-  // Override this method to configure what services a connection supports when
-  // being connected to from an app.
-  // Return false to reject the connection entirely.
-  virtual bool AcceptConnection(ApplicationConnection* connection);
-
-  // Called when the shell connection has a connection error.
-  //
-  // Return true to shutdown the application. Return false to skip shutting
-  // down the connection, but user is then required to call
-  // ApplicationImpl::QuitNow() when done.
-  virtual bool ShellConnectionLost();
-
-  // Called before ApplicationImpl::Terminate(). After returning from this call
-  // the delegate can no longer rely on the main run loop still running.
-  virtual void Quit();
-
- private:
-  MOJO_DISALLOW_COPY_AND_ASSIGN(ApplicationDelegate);
-};
-
-}  // namespace mojo
-
-#endif  // MOJO_SHELL_PUBLIC_CPP_APPLICATION_DELEGATE_H_