Adding a project selection option to gcl. Defaulting to a value in codereview.settings
Adding a project selection option to gcl.
Defaulting to a value in codereview.settings

BUG=None
TEST=None

Review URL: http://codereview.chromium.org/200078

git-svn-id: bd64dd6fa6f3f0ed0c0666d1018379882b742947@25886 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

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