Plumbing in notification replies: PlatformNotificationService -> SW

ui/message_center/notification_delegate.h

Index: ui/message_center/notification_delegate.h
diff --git a/ui/message_center/notification_delegate.h b/ui/message_center/notification_delegate.h
index 2bd2f4e54c76dade31c2977b3535532efee68bbb..5b2ab311b55470348a1139a7c6157ccaf42d440d 100644
--- a/ui/message_center/notification_delegate.h
+++ b/ui/message_center/notification_delegate.h
@@ -11,6 +11,7 @@
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
+#include "base/strings/string16.h"
 #include "ui/message_center/message_center_export.h"
 
 namespace content {
@@ -47,6 +48,10 @@ class MESSAGE_CENTER_EXPORT NotificationDelegate
   // To be called when the user clicks a button in a notification.
   virtual void ButtonClick(int button_index);
 
+  // To be called when the user types a reply to a notification.
+  virtual void ButtonClickWithReply(int button_index,
+                                    const base::string16& reply);
+
   // To be called when the user clicks the settings button in a notification.
   virtual void SettingsClick();