Add the vibrate attribute to the Notification object

public/platform/WebVibration.h

Index: public/platform/WebVibration.h
diff --git a/public/platform/WebVibration.h b/public/platform/WebVibration.h
index 842d63c3c0a648bce53f4c85adb16bce2b73ecbf..055ee767786e48449d4937e5fcb4a6f5619348fc 100644
--- a/public/platform/WebVibration.h
+++ b/public/platform/WebVibration.h
@@ -36,6 +36,9 @@ namespace blink {
 // Maximum duration of a vibration is 10 seconds.
 const unsigned kVibrationDurationMax = 10000;
 
+// Maximum number of entries in a vibration pattern.
+const unsigned kVibrationPatternLengthMax = 99;

[Peter Beverloo, 2015/04/09 13:03:17]

Note that you're exposing this in the Blink API, but aren't actually using it
anywhere new.

If you group all vibration pattern sanitation to NavigatorVibration then it can
remain file-private to that file, and you don't have to touch this part of the
API.

[Sanghyun Park, 2015/04/09 13:48:05]

Okay, I'll remove this.

+
 } // namespace blink
 
 #endif // WebVibration_h