Revert of Extract some stuff into PackageManager

mojo/package_manager/package_manager_impl.h

-// Copyright 2015 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_IMPL_H_
-#define MOJO_PACKAGE_MANAGER_PACKAGE_MANAGER_IMPL_H_
-
-#include "base/files/file_path.h"
-#include "mojo/fetcher/url_resolver.h"
-#include "mojo/services/network/public/interfaces/network_service.mojom.h"
-#include "mojo/services/network/public/interfaces/url_loader_factory.mojom.h"
-#include "mojo/shell/package_manager.h"
-
-namespace mojo {
-namespace shell {
-class Fetcher;
-}
-namespace package_manager {
-
-// This is the default implementation of shell::PackageManager. It loads
-// http/s urls off the network as well as providing special handling for mojo:
-// and about: urls.
-class PackageManagerImpl : public shell::PackageManager {
- public:
-  // mojo: urls are only supported if |shell_file_root| is non-empty.
-  explicit PackageManagerImpl(const base::FilePath& shell_file_root);
-  ~PackageManagerImpl() override;
-
-  // Register a content handler to handle content of |mime_type|.
-  void RegisterContentHandler(const std::string& mime_type,
-                              const GURL& content_handler_url);
-
-  // Registers a package alias. When attempting to load |alias|, it will
-  // instead redirect to |content_handler_package|, which is a content handler
-  // which will be passed the |alias| as the URLResponse::url. Different values
-  // of |alias| with the same |qualifier| that are in the same
-  // |content_handler_package| will run in the same process in multi-process
-  // mode.
-  void RegisterApplicationPackageAlias(
-      const GURL& alias,
-      const GURL& content_handler_package,
-      const std::string& qualifier);
-
- private:
-  using ApplicationPackagedAlias = std::map<GURL, std::pair<GURL, std::string>>;
-  using MimeTypeToURLMap = std::map<std::string, GURL>;
-
-  // Overridden from shell::PackageManager:
-  void SetApplicationManager(shell::ApplicationManager* manager) override;
-  GURL ResolveURL(const GURL& url) override;
-  void FetchRequest(
-      URLRequestPtr request,
-      const shell::Fetcher::FetchCallback& loader_callback) override;
-  bool HandleWithContentHandler(shell::Fetcher* fetcher,
-                                const GURL& unresolved_url,
-                                base::TaskRunner* task_runner,
-                                URLResponsePtr* new_response,
-                                GURL* content_handler_url,
-                                std::string* qualifier) override;
-
-
-  shell::ApplicationManager* application_manager_;
-  scoped_ptr<fetcher::URLResolver> url_resolver_;
-  const bool disable_cache_;
-  NetworkServicePtr network_service_;
-  URLLoaderFactoryPtr url_loader_factory_;
-  ApplicationPackagedAlias application_package_alias_;
-  MimeTypeToURLMap mime_type_to_url_;
-
-  DISALLOW_COPY_AND_ASSIGN(PackageManagerImpl);
-};
-
-}  // namespace package_manager
-}  // namespace mojo
-
-#endif  // MOJO_PACKAGE_MANAGER_PACKAGE_MANAGER_IMPL_H_