Another monkey NPE

    Bug: 5737769

Change-Id: Ie1a485222df6b470d95ace9130b5cf2591a231df
diff --git a/src/com/android/browser/Controller.java b/src/com/android/browser/Controller.java
index c395935..01e090b 100644
--- a/src/com/android/browser/Controller.java
+++ b/src/com/android/browser/Controller.java
@@ -1293,6 +1293,7 @@
 
         // Show the correct menu group
         final String extra = result.getExtra();
+        if (extra == null) return;
         menu.setGroupVisible(R.id.PHONE_MENU,
                 type == WebView.HitTestResult.PHONE_TYPE);
         menu.setGroupVisible(R.id.EMAIL_MENU,