Recover gallery after crash in Files app.

Recent regression broke restoring the gallery view after crash. This patch fixes this issue. Along the way restoring archives has been removed, since the implementation is not reliable.

TEST=Tested manually.
BUG=333136

Review URL: https://codereview.chromium.org/133233002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@244151 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 244151