Move all components/offline_pages/ files into component/offline_pages/core

components/offline_pages/downloads/download_notifying_observer.cc

-// Copyright 2016 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 "components/offline_pages/downloads/download_notifying_observer.h"
-
-#include "components/offline_pages/background/request_coordinator.h"
-#include "components/offline_pages/background/save_page_request.h"
-#include "components/offline_pages/client_policy_controller.h"
-#include "components/offline_pages/downloads/download_ui_adapter.h"
-#include "components/offline_pages/downloads/offline_page_download_notifier.h"
-
-namespace offline_pages {
-namespace {
-int kUserDataKey;  // Only address is used.
-}  // namespace
-
-DownloadNotifyingObserver::DownloadNotifyingObserver(
-    std::unique_ptr<OfflinePageDownloadNotifier> notifier,
-    ClientPolicyController* policy_controller)
-    : notifier_(std::move(notifier)), policy_controller_(policy_controller) {}
-
-DownloadNotifyingObserver::~DownloadNotifyingObserver() {}
-
-// static
-DownloadNotifyingObserver* DownloadNotifyingObserver::GetFromRequestCoordinator(
-    RequestCoordinator* request_coordinator) {
-  DCHECK(request_coordinator);
-  return static_cast<DownloadNotifyingObserver*>(
-      request_coordinator->GetUserData(&kUserDataKey));
-}
-
-// static
-void DownloadNotifyingObserver::CreateAndStartObserving(
-    RequestCoordinator* request_coordinator,
-    std::unique_ptr<OfflinePageDownloadNotifier> notifier) {
-  DCHECK(request_coordinator);
-  DCHECK(notifier.get());
-  DownloadNotifyingObserver* observer = new DownloadNotifyingObserver(
-      std::move(notifier), request_coordinator->GetPolicyController());
-  request_coordinator->AddObserver(observer);
-  // |request_coordinator| takes ownership of observer here.
-  request_coordinator->SetUserData(&kUserDataKey, observer);
-}
-
-void DownloadNotifyingObserver::OnAdded(const SavePageRequest& request) {
-  DCHECK(notifier_.get());
-  if (!IsVisibleInUI(request.client_id()))
-    return;
-  notifier_->NotifyDownloadProgress(DownloadUIItem(request));
-}
-
-void DownloadNotifyingObserver::OnChanged(const SavePageRequest& request) {
-  DCHECK(notifier_.get());
-  if (!IsVisibleInUI(request.client_id()))
-    return;
-  if (request.request_state() == SavePageRequest::RequestState::PAUSED)
-    notifier_->NotifyDownloadPaused(DownloadUIItem(request));
-  else
-    notifier_->NotifyDownloadProgress(DownloadUIItem(request));
-}
-
-void DownloadNotifyingObserver::OnCompleted(
-    const SavePageRequest& request,
-    RequestCoordinator::BackgroundSavePageResult status) {
-  DCHECK(notifier_.get());
-  if (!IsVisibleInUI(request.client_id()))
-    return;
-  if (status == RequestCoordinator::BackgroundSavePageResult::SUCCESS)
-    notifier_->NotifyDownloadSuccessful(DownloadUIItem(request));
-  else if (status == RequestCoordinator::BackgroundSavePageResult::REMOVED)
-    notifier_->NotifyDownloadCanceled(DownloadUIItem(request));
-  else
-    notifier_->NotifyDownloadFailed(DownloadUIItem(request));
-}
-
-bool DownloadNotifyingObserver::IsVisibleInUI(const ClientId& page) {
-  return policy_controller_->IsSupportedByDownload(page.name_space) &&
-         base::IsValidGUID(page.id);
-}
-
-}  // namespace offline_pages