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..2702209f5c145a5743c0e70ce134979055caafab 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/WebVector.h"
 
 namespace blink {
 
@@ -35,13 +36,14 @@ struct WebNotificationData {
     {
     }
 
-    WebNotificationData(const WebString& title, Direction direction, const WebString& lang, const WebString& body, const WebString& tag, const WebURL& icon, bool silent, const WebString& data)
+    WebNotificationData(const WebString& title, Direction direction, const WebString& lang, const WebString& body, const WebString& tag, const WebURL& icon, const WebVector<unsigned>& vibrate, bool silent, const WebString& data)

[Peter Beverloo, 2015/04/01 14:26:29]

nit: you'll need another temporary constructor, since some places in Chromium
will start using the |data| member Real Soon(tm).

[Sanghyun Park, 2015/04/01 17:46:08]

Done.

         : title(title)
         , direction(direction)
         , lang(lang)
         , body(body)
         , tag(tag)
         , icon(icon)
+        , vibrate(vibrate)
         , silent(silent)
         , data(data)
     {
@@ -53,6 +55,7 @@ struct WebNotificationData {
     WebString body;
     WebString tag;
     WebURL icon;
+    WebVector<unsigned> vibrate;
     bool silent;
     WebString data;
 };