Migrate WTF::Vector::append() to ::push_back() [part 13 of N]

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 "modules/notifications/NotificationData.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/SerializedScriptValue.h"
 #include "bindings/core/v8/SerializedScriptValueFactory.h"
 #include "core/dom/ExecutionContext.h"
@@ skipping 110 matching lines @@
       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());
 
-    actions.append(webAction);
+    actions.push_back(webAction);
   }
 
   webData.actions = actions;
 
   return webData;
 }
 
 }  // namespace blink