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 17b4e340d5fa5ff911c9291e8beee6c08c7ab053..a493c18e252eb43b99572acf3347be67e88dce3e 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"
 
 #if defined(TOOLKIT_VIEWS) && !defined(OS_MACOSX)
@@ -43,6 +44,12 @@ 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.
+  // TODO(crbug.com/599859) Support this feature in the message center -
+  // currently it is only supported on Android.
+  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();