Revert of Extract some stuff into PackageManager

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 "mojo/shell/test_package_manager.h"
-
-#include "base/logging.h"
-#include "mojo/shell/fetcher.h"
-#include "url/gurl.h"
-
-namespace mojo {
-namespace shell {
-
-TestPackageManager::TestPackageManager() {}
-TestPackageManager::~TestPackageManager() {}
-
-void TestPackageManager::RegisterContentHandler(
-    const std::string& mime_type,
-    const GURL& content_handler_url) {
-  DCHECK(content_handler_url.is_valid())
-      << "Content handler URL is invalid for mime type " << mime_type;
-  mime_type_to_url_[mime_type] = content_handler_url;
-}
-
-void TestPackageManager::SetApplicationManager(ApplicationManager* manager) {
-}
-
-GURL TestPackageManager::ResolveURL(const GURL& url) {
-  return url;
-}
-
-void TestPackageManager::FetchRequest(
-    URLRequestPtr request,
-    const Fetcher::FetchCallback& loader_callback) {}
-
-bool TestPackageManager::HandleWithContentHandler(
-    Fetcher* fetcher,
-    const GURL& unresolved_url,
-    base::TaskRunner* task_runner,
-    URLResponsePtr* new_response,
-    GURL* content_handler_url,
-    std::string* qualifier) {
-  MimeTypeToURLMap::iterator iter = mime_type_to_url_.find(fetcher->MimeType());
-  if (iter != mime_type_to_url_.end()) {
-    *new_response = fetcher->AsURLResponse(task_runner, 0);
-    *content_handler_url = iter->second;
-    *qualifier = (*new_response)->site.To<std::string>();
-    return true;
-  }
-  return false;
-}
-
-}  // namespace shell
-}  // namespace mojo