Implement receiving side of web notification inline replies

third_party/WebKit/public/platform/modules/notifications/WebNotificationAction.h

Index: third_party/WebKit/public/platform/modules/notifications/WebNotificationAction.h
diff --git a/third_party/WebKit/public/platform/modules/notifications/WebNotificationAction.h b/third_party/WebKit/public/platform/modules/notifications/WebNotificationAction.h
index c42b47d1384e4cf656f8ac6b4cc11679dcef5239..8f3499af918863d32d019d688c9a727533d94d4e 100644
--- a/third_party/WebKit/public/platform/modules/notifications/WebNotificationAction.h
+++ b/third_party/WebKit/public/platform/modules/notifications/WebNotificationAction.h
@@ -12,9 +12,17 @@ namespace blink {
 
 // Structure representing the data associated with a Web Notification action.
 struct WebNotificationAction {
+    // Corresponds to NotificationActionType.
+    enum Type {
+        Button = 0,
+        Text
+    };
+
+    Type type;
     WebString action;
     WebString title;
     WebURL icon;
+    WebString placeholder;
 };
 
 } // namespace blink