Revert 221989 "Revert 221946 "[Android WebView] Enable spatial n..."
> Revert 221946 "[Android WebView] Enable spatial navigation / DPAD"
>
> > [Android WebView] Enable spatial navigation / DPAD
> >
> > Turn on the --enable-spatial-navigation flag, and also bubble up
> > unhandled DPAD events to the neighboring views in the view tree.
> > Likewise, WebContentsDelegate::TakeFocus() bubble to logical next
> > or previous neighbor view.
> >
> > Also disabled the FileSystem API while in the area updating flags.
> >
> > BUG=286698
> >
> > Review URL: https://chromiumcodereview.appspot.com/
23619024
>
> TBR=joth@chromium.org
>
> Review URL: https://codereview.chromium.org/
23494033
TBR=henrika@chromium.org
Review URL: https://codereview.chromium.org/
23804007
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@222002 0039d316-1c4b-4281-b951-d872f2087c98