Make CopyDirectory() not copy the read only bit on Windows by reimplementing it.

Add CopyDirectoryACL test similar to CopyFileACL. Now both CopyDirectory and
CopyFile exhibits the same kind of behavior.

CopyDirectory is used in unit tests, on Windows installer and on OSX
web_application.

R=thakis@chromium.org,grt@chromium.org,rvargas@chromium.org
BUG=116251

Review URL: https://codereview.chromium.org/141273010

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@249088 0039d316-1c4b-4281-b951-d872f2087c98
4 files changed