Add an XPC service to handle alert notifications on mac

chrome/browser/ui/cocoa/notifications/notification_service_delegate.h

Index: chrome/browser/ui/cocoa/notifications/notification_service_delegate.h
diff --git a/chrome/browser/ui/cocoa/notifications/notification_service_delegate.h b/chrome/browser/ui/cocoa/notifications/notification_service_delegate.h
new file mode 100644
index 0000000000000000000000000000000000000000..bd1d0e5408784376c4b33f4ca1fac0c0e6c6e4f8
--- /dev/null
+++ b/chrome/browser/ui/cocoa/notifications/notification_service_delegate.h
@@ -0,0 +1,28 @@
+// 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.
+
+#ifndef CHROME_BROWSER_UI_COCOA_NOTIFICATIONS_NOTIFICATION_SERVICE_DELEGATE_H_
+#define CHROME_BROWSER_UI_COCOA_NOTIFICATIONS_NOTIFICATION_SERVICE_DELEGATE_H_
+
+#import <Foundation/Foundation.h>
+
+#include "base/mac/foundation_util.h"
+#import "chrome/browser/ui/cocoa/notifications/notification_service_delegate.h"
+
+@interface NotificationCenterDelegate

[Robert Sesek, 2016/09/29 14:23:05]

There's no @implementation for this class?

[Miguel Garcia, 2016/10/03 16:07:51]

Indeed, the ServiceDelegate below implements both interfaces. Removed this.

+    : NSObject<NSUserNotificationCenterDelegate> {
+}
+@end
+
+@interface ServiceDelegate
+    : NSObject<NSXPCListenerDelegate, NSUserNotificationCenterDelegate> {

[Robert Sesek, 2016/09/29 14:23:05]

Can omit the curlies here.

[Miguel Garcia, 2016/10/03 16:07:51]

Done.

+}
+
+// The connection used to talk back to Chrome.
+@property(assign, nullable) NSXPCConnection* connection;

[Robert Sesek, 2016/09/29 14:23:05]

nonatomic as well

[Miguel Garcia, 2016/10/03 16:07:51]

Done.

+
+

[Robert Sesek, 2016/09/29 14:23:05]

nit: extra blank line

[Miguel Garcia, 2016/10/03 16:07:51]

Done.

+@end
+
+#endif  // CHROME_BROWSER_UI_COCOA_NOTIFICATIONS_NOTIFICATION_SERVICE_DELEGATE_H_