GitLab

Instead use GetFileInfoByPathAsync() and ReadDirectoryByPathAsync().
This is in preparation for making FindEntryByPathAsync() private.

BUG=chromium-os:30251
TEST=gdata in the file manager works as before

Review URL: https://chromiumcodereview.appspot.com/10268023

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@134770 0039d316-1c4b-4281-b951-d872f2087c98