am 5b75cd02: Merge change I9861276c into eclair-mr2

Merge commit '5b75cd02aab6284ec115df8e12228303c2d1ce9d' into eclair-mr2-plus-aosp

* commit '5b75cd02aab6284ec115df8e12228303c2d1ce9d':
  Do not allow javascript to change window focus.