Add the vibrate attribute to the Notification object

Source/modules/notifications/Notification.h

Index: Source/modules/notifications/Notification.h
diff --git a/Source/modules/notifications/Notification.h b/Source/modules/notifications/Notification.h
index 1f780a0a9bfdd265eb3e0c2c89bc3e0ed2ae1cb6..14bcf924c23df1353406584df8afcd1347c60267 100644
--- a/Source/modules/notifications/Notification.h
+++ b/Source/modules/notifications/Notification.h
@@ -34,6 +34,7 @@
 #include "bindings/core/v8/SerializedScriptValue.h"
 #include "core/dom/ActiveDOMObject.h"
 #include "modules/EventTargetModules.h"
+#include "modules/vibration/NavigatorVibration.h"
 #include "platform/AsyncMethodRunner.h"
 #include "platform/heap/Handle.h"
 #include "platform/text/TextDirection.h"
@@ -127,6 +128,7 @@ private:
     void setBody(const String& body) { m_body = body; }
     void setIconUrl(KURL iconUrl) { m_iconUrl = iconUrl; }
     void setTag(const String& tag) { m_tag = tag; }
+    void setVibrate(const NavigatorVibration::VibrationPattern& vibrate) { m_vibrate = vibrate; }
     void setSilent(bool silent) { m_silent = silent; }
     void setSerializedData(PassRefPtr<SerializedScriptValue> data) { m_serializedData = data; }
 
@@ -138,6 +140,7 @@ private:
     String m_lang;
     String m_body;
     String m_tag;
+    NavigatorVibration::VibrationPattern m_vibrate;
     bool m_silent;
     RefPtr<SerializedScriptValue> m_serializedData;