Remove duplicate application cpp files in mojo/application.

mojo/application/content_handler_factory.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_CONTENT_HANDLER_FACTORY_H_
-#define MOJO_APPLICATION_CONTENT_HANDLER_FACTORY_H_
-
-#include "base/memory/scoped_ptr.h"
-#include "mojo/application/public/cpp/interface_factory.h"
-#include "mojo/application/public/interfaces/content_handler.mojom.h"
-#include "mojo/application/public/interfaces/shell.mojom.h"
-#include "mojo/services/network/public/interfaces/url_loader.mojom.h"
-
-namespace mojo {
-
-class ContentHandlerFactory : public InterfaceFactory<ContentHandler> {
- public:
-  class HandledApplicationHolder {
-   public:
-    virtual ~HandledApplicationHolder() {}
-  };
-
-  class Delegate {
-   public:
-    virtual ~Delegate() {}
-    // Implement this method to create the Application. This method will be
-    // called on a new thread. Leaving this method will quit the application.
-    virtual void RunApplication(
-        InterfaceRequest<Application> application_request,
-        URLResponsePtr response) = 0;
-  };
-
-  class ManagedDelegate : public Delegate {
-   public:
-    ~ManagedDelegate() override {}
-    // Implement this method to create the Application for the given content.
-    // This method will be called on a new thread. The application will be run
-    // on this new thread, and the returned value will be kept alive until the
-    // application ends.
-    virtual scoped_ptr<HandledApplicationHolder> CreateApplication(
-        InterfaceRequest<Application> application_request,
-        URLResponsePtr response) = 0;
-
-   private:
-    void RunApplication(InterfaceRequest<Application> application_request,
-                        URLResponsePtr response) override;
-  };
-
-  explicit ContentHandlerFactory(Delegate* delegate);
-  ~ContentHandlerFactory() override;
-
- private:
-  // From InterfaceFactory:
-  void Create(ApplicationConnection* connection,
-              InterfaceRequest<ContentHandler> request) override;
-
-  Delegate* delegate_;
-
-  DISALLOW_COPY_AND_ASSIGN(ContentHandlerFactory);
-};
-
-template <class A>
-class HandledApplicationHolderImpl
-    : public ContentHandlerFactory::HandledApplicationHolder {
- public:
-  explicit HandledApplicationHolderImpl(A* value) : value_(value) {}
-
- private:
-  scoped_ptr<A> value_;
-};
-
-template <class A>
-scoped_ptr<ContentHandlerFactory::HandledApplicationHolder>
-make_handled_factory_holder(A* value) {
-  return make_scoped_ptr(new HandledApplicationHolderImpl<A>(value));
-}
-
-}  // namespace mojo
-
-#endif  // MOJO_APPLICATION_CONTENT_HANDLER_FACTORY_H_