Force depot_tools to be in the PATH before /usr/bin in cygwin. Review URL: http://codereview.chromium.org/113208
Force depot_tools to be in the PATH before /usr/bin in cygwin.
Review URL: http://codereview.chromium.org/113208

git-svn-id: bd64dd6fa6f3f0ed0c0666d1018379882b742947@15767 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

svn2github/chromium-depot-tools,svn2github/chromium-depot-tools,svn2github/chromium-depot-tools