Remove the old package manager

mojo/shell/test_package_manager.cc

-// 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.
-
-#include <stdint.h>
-
-#include "mojo/shell/test_package_manager.h"
-
-#include "url/gurl.h"
-
-namespace mojo {
-namespace shell {
-namespace test {
-
-TestPackageManager::TestPackageManager() {}
-TestPackageManager::~TestPackageManager() {}
-
-void TestPackageManager::SetApplicationManager(ApplicationManager* manager) {}
-void TestPackageManager::BuiltinAppLoaded(const GURL& url) {}
-void TestPackageManager::FetchRequest(
-    URLRequestPtr request,
-    const Fetcher::FetchCallback& loader_callback) {}
-uint32_t TestPackageManager::HandleWithContentHandler(
-    Fetcher* fetcher,
-    const Identity& source,
-    const GURL& target_url,
-    const CapabilityFilter& target_filter,
-    InterfaceRequest<shell::mojom::ShellClient>* request) {
-  return 0;
-}
-bool TestPackageManager::IsURLInCatalog(const std::string& url) const {
-  return true;
-}
-std::string TestPackageManager::GetApplicationName(
-    const std::string& url) const { return url; }
-GURL TestPackageManager::ResolveMojoURL(const GURL& mojo_url) {
-  return mojo_url;
-}
-uint32_t TestPackageManager::StartContentHandler(
-    const Identity& source,
-    const Identity& content_handler,
-    const GURL& url,
-    mojom::ShellClientRequest request) {
-  return mojo::shell::mojom::Shell::kInvalidApplicationID;
-}
-
-}  // namespace test
-}  // namespace shell
-}  // namespace mojo