Update NullWebView interface to match real WebView. am: a46a8b36c9
am: d7e601ed7e

Change-Id: I51b666edfecca9697edf397b58c63676185cb481
tree: 1f97284cf33562f02d6b7ec8e0d14e6a05133539
  1. Android.mk
  2. chromium/
  3. nullwebview/