Minor fixes for browser

- Fix flags for share intent
- Prevent classcast exception

Change-Id: If0257c0e34e030a2619cb5957ad8c852c5a496eb
diff --git a/src/com/android/browser/Controller.java b/src/com/android/browser/Controller.java
index 21853cf..12b8b29 100644
--- a/src/com/android/browser/Controller.java
+++ b/src/com/android/browser/Controller.java
@@ -2359,6 +2359,7 @@
     }
 
     private void goLive() {
+        if (!getCurrentTab().isSnapshot()) return;
         SnapshotTab t = (SnapshotTab) getCurrentTab();
         String url = t.getLiveUrl();
         boolean onlySingleTabRemaining = false;