GitLab

Currently the test entry data of 'newly added file.ogg' is doubled for creating
and verifiying the entry.  This CL introduces TestEntryInfo class to JavaScript
code and use it for both creating and verifiying the entyr.

BUG=279774
TEST=file_manager_browsertests
R=hashimoto@chromium.org, yoshiki@chromium.org

Review URL: https://codereview.chromium.org/24026003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@222218 0039d316-1c4b-4281-b951-d872f2087c98