[cr tool] Adding the select command.

BUG=316397

Review URL: https://codereview.chromium.org/83983003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@237830 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 237830
BrowserPlugin: Cleanup

BUG=none
TBR=fsamuel@chromium.org

Review URL: https://codereview.chromium.org/95393003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@237831 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 237831