Add dependency to Chromoting debian package on X11 utilities

This is needed since the Python script runs these programs:
/usr/bin/xrandr
/usr/bin/xdpyinfo
/usr/bin/xauth

BUG=271574
NOTRY=true

Review URL: https://chromiumcodereview.appspot.com/22854007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@217048 0039d316-1c4b-4281-b951-d872f2087c98

remoting/host/installer/linux/debian/control

@@ -12,7 +12,7 @@ Homepage: https://chrome.google.com/remotedesktop
 
 Package: chrome-remote-desktop
 Architecture: any
-Depends: xvfb-randr | xvfb, gksu, python (>= 2.6), python-psutil, ${shlibs:Depends}, ${misc:Depends}, ${python:Depends}
+Depends: xvfb-randr | xvfb, gksu, xbase-clients, python (>= 2.6), python-psutil, ${shlibs:Depends}, ${misc:Depends}, ${python:Depends}
 Recommends: xvfb-randr
 Suggests: google-chrome-stable | google-chrome-beta | google-chrome-unstable
 Description: Access your computer securely over the Internet.