Check for null before animating the tab/webview.

The tab will most likely not be null but the top window could easily be null if
the tab has been freed due to low memory. Update getTabIndex to return -1 if the
tab is null.

1 files changed, 3 insertions, 0 deletions

diff --git a/src/com/android/browser/TabControl.java b/src/com/android/browser/TabControl.java
index ee63f2c..0cbef69 100644
--- a/src/com/android/browser/TabControl.java
+++ b/src/com/android/browser/TabControl.java
@@ -407,6 +407,9 @@ class TabControl {
      * @return index of Tab or -1 if not found
      */
     int getTabIndex(Tab tab) {
+        if (tab == null) {
+            return -1;
+        }
         return mTabs.indexOf(tab);
     }