Add the vibrate attribute to the Notification object

public/platform/modules/notifications/WebNotificationData.h

Index: public/platform/modules/notifications/WebNotificationData.h
diff --git a/public/platform/modules/notifications/WebNotificationData.h b/public/platform/modules/notifications/WebNotificationData.h
index c1f0a5370e8b88e615303b0725622b379dc1cfc3..b15663aaec91572d04c4931bb979a9ea3e7319c2 100644
--- a/public/platform/modules/notifications/WebNotificationData.h
+++ b/public/platform/modules/notifications/WebNotificationData.h
@@ -7,6 +7,7 @@
 
 #include "public/platform/WebString.h"
 #include "public/platform/WebURL.h"
+#include "public/platform/modules/notifications/WebNotificationVibrationData.h"
 
 namespace blink {
 
@@ -35,6 +36,7 @@ struct WebNotificationData {
     {
     }
 
+    // FIXME: Remove this constructor when Chromium has switched to the new one.
     WebNotificationData(const WebString& title, Direction direction, const WebString& lang, const WebString& body, const WebString& tag, const WebURL& icon, bool silent, const WebString& data)
         : title(title)
         , direction(direction)
@@ -47,12 +49,26 @@ struct WebNotificationData {
     {
     }
 
+    WebNotificationData(const WebString& title, Direction direction, const WebString& lang, const WebString& body, const WebString& tag, const WebURL& icon, const WebNotificationVibrationData& vibrate, bool silent, const WebString& data)
+        : title(title)
+        , direction(direction)
+        , lang(lang)
+        , body(body)
+        , tag(tag)
+        , icon(icon)
+        , vibrate(vibrate)
+        , silent(silent)
+        , data(data)
+    {
+    }
+
     WebString title;
     Direction direction;
     WebString lang;
     WebString body;
     WebString tag;
     WebURL icon;
+    WebNotificationVibrationData vibrate;
     bool silent;
     WebString data;
 };