Add the vibrate attribute to the Notification object

Source/modules/vibration/NavigatorVibration.cpp

 /*
  *  Copyright (C) 2012 Samsung Electronics
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Library General Public
  *  License as published by the Free Software Foundation; either
  *  version 2 of the License, or (at your option) any later version.
  *
  *  This library is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 10 matching lines @@
 #include "modules/vibration/NavigatorVibration.h"
 
 #include "core/frame/LocalFrame.h"
 #include "core/frame/Navigator.h"
 #include "core/page/PageVisibilityState.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebVibration.h"
 
 namespace blink {
 
-// Maximum number of entries in a vibration pattern.
-const unsigned kVibrationPatternLengthMax = 99;
-
 NavigatorVibration::NavigatorVibration(Page& page)
     : PageLifecycleObserver(&page)
     , m_timerStart(this, &NavigatorVibration::timerStartFired)
     , m_timerStop(this, &NavigatorVibration::timerStopFired)
     , m_isVibrating(false)
 {
 }
 
 NavigatorVibration::~NavigatorVibration()
 {
@@ skipping 129 matching lines @@
     return "NavigatorVibration";
 }
 
 DEFINE_TRACE(NavigatorVibration)
 {
     WillBeHeapSupplement<Page>::trace(visitor);
     PageLifecycleObserver::trace(visitor);
 }
 
 } // namespace blink