Remove mojo/tools/, not needed in chromium

mojo/tools/package_manager/package_manager_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_PACKAGE_MANAGER_PACKAGE_MANAGER_APPLICATION_H_
-#define MOJO_PACKAGE_MANAGER_PACKAGE_MANAGER_APPLICATION_H_
-
-#include <map>
-#include <set>
-
-#include "mojo/public/cpp/application/application_delegate.h"
-#include "mojo/public/cpp/application/interface_factory.h"
-#include "mojo/public/cpp/system/macros.h"
-#include "mojo/services/public/interfaces/network/network_service.mojom.h"
-#include "mojo/tools/package_manager/package_fetcher.h"
-
-namespace mojo {
-
-class Manifest;
-
-class PackageManagerApplication
-    : public ApplicationDelegate,
-      public PackageFetcherDelegate {
- public:
-  PackageManagerApplication();
-  virtual ~PackageManagerApplication();
-
- private:
-  struct PendingLoad {
-    PendingLoad();
-    ~PendingLoad();
-
-    scoped_ptr<PackageFetcher> fetcher;
-  };
-  typedef std::map<GURL, PendingLoad*> PendingLoadMap;
-
-  void StartLoad(const GURL& url);
-
-  void LoadDeps(const Manifest& manifest);
-
-  // Deletes the pending load entry for the given URL and possibly exits the
-  // message loop if all loads are done.
-  void PendingLoadComplete(const GURL& url);
-
-  // ApplicationDelegate implementation.
-  virtual void Initialize(ApplicationImpl* app) override;
-
-  // PackageFetcher.
-  virtual void FetchSucceeded(const GURL& url,
-                              const base::FilePath& name) override;
-  virtual void FetchFailed(const GURL& url) override;
-
-  mojo::NetworkServicePtr network_service_;
-
-  PendingLoadMap pending_;  // Owning pointers.
-  std::set<GURL> completed_;
-
-  MOJO_DISALLOW_COPY_AND_ASSIGN(PackageManagerApplication);
-};
-
-}  // namespace mojo
-
-#endif  // MOJO_PACKAGE_MANAGER_PACKAGE_MANAGER_APPLICATION_H