Implement receiving side of web notification inline replies

third_party/WebKit/Source/modules/notifications/NotificationData.cpp

Index: third_party/WebKit/Source/modules/notifications/NotificationData.cpp
diff --git a/third_party/WebKit/Source/modules/notifications/NotificationData.cpp b/third_party/WebKit/Source/modules/notifications/NotificationData.cpp
index ed67c9e3882698816287013ef69bab0c2bbc438d..e1614fd00fe63364512ee6741859ee605ce78417 100644
--- a/third_party/WebKit/Source/modules/notifications/NotificationData.cpp
+++ b/third_party/WebKit/Source/modules/notifications/NotificationData.cpp
@@ -92,6 +92,14 @@ WebNotificationData createWebNotificationData(ExecutionContext* executionContext
         WebNotificationAction webAction;
         webAction.action = action.action();
         webAction.title = action.title();
+        webAction.type = action.type();
+
+        if (action.hasPlaceholder() && action.type() == "button") {
+            exceptionState.throwTypeError("Notifications of type \"button\" cannot specify a placeholder.");
+            return WebNotificationData();
+        }
+
+        webAction.placeholder = action.placeholder();
 
         if (action.hasIcon() && !action.icon().isEmpty())
             webAction.icon = completeURL(executionContext, action.icon());