refactor: rename the atom directory to shell

shell/browser/notifications/mac/notification_presenter_mac.mm

@@ -0,0 +1,50 @@
+// Copyright (c) 2015 GitHub, Inc.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#include "atom/browser/notifications/mac/notification_presenter_mac.h"
+
+#include "atom/browser/notifications/mac/cocoa_notification.h"
+#include "atom/browser/notifications/mac/notification_center_delegate.h"
+
+namespace atom {
+
+// static
+NotificationPresenter* NotificationPresenter::Create() {
+  return new NotificationPresenterMac;
+}
+
+CocoaNotification* NotificationPresenterMac::GetNotification(
+    NSUserNotification* ns_notification) {
+  for (Notification* notification : notifications()) {
+    auto* native_notification = static_cast<CocoaNotification*>(notification);
+    if ([native_notification->notification().identifier
+            isEqual:ns_notification.identifier])
+      return native_notification;
+  }
+
+  if (getenv("ELECTRON_DEBUG_NOTIFICATIONS")) {
+    LOG(INFO) << "Could not find notification for "
+              << [ns_notification.identifier UTF8String];
+  }
+
+  return nullptr;
+}
+
+NotificationPresenterMac::NotificationPresenterMac()
+    : notification_center_delegate_(
+          [[NotificationCenterDelegate alloc] initWithPresenter:this]) {
+  NSUserNotificationCenter.defaultUserNotificationCenter.delegate =
+      notification_center_delegate_;
+}
+
+NotificationPresenterMac::~NotificationPresenterMac() {
+  NSUserNotificationCenter.defaultUserNotificationCenter.delegate = nil;
+}
+
+Notification* NotificationPresenterMac::CreateNotificationObject(
+    NotificationDelegate* delegate) {
+  return new CocoaNotification(delegate, this);
+}
+
+}  // namespace atom