Stop requiring NotificationAction action and title to be non-empty

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

 // Copyright 2015 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.
 
 #include "config.h"
 #include "modules/notifications/NotificationData.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/SerializedScriptValue.h"
 #include "bindings/core/v8/SerializedScriptValueFactory.h"
@@ skipping 57 matching lines @@
         Vector<char> serializedData;
         serializedScriptValue->toWireBytes(serializedData);
 
         webData.data = serializedData;
     }
 
     Vector<WebNotificationAction> actions;
 
     const size_t maxActions = Notification::maxActions();
     for (const NotificationAction& action : options.actions()) {
-        if (action.action().isEmpty()) {
-            exceptionState.throwTypeError("NotificationAction `action` must not be empty.");
-            return WebNotificationData();
-        }
-
-        if (action.title().isEmpty()) {
-            exceptionState.throwTypeError("NotificationAction `title` must not be empty.");
-            return WebNotificationData();
-        }
-
         if (actions.size() >= maxActions)
-            continue;
+            break;
 
         WebNotificationAction webAction;
         webAction.action = action.action();
         webAction.title = action.title();
 
         actions.append(webAction);
     }
 
     webData.actions = actions;
 
     return webData;
 }
 
 } // namespace blink