am b8a9cb0e: Fix the activity leak in the Browser.

Merge commit 'b8a9cb0e2b3b2a1bb250853a79b8ea2046ff3d6e' into eclair

* commit 'b8a9cb0e2b3b2a1bb250853a79b8ea2046ff3d6e':
  Fix the activity leak in the Browser.