Chromoting: Fix newly-added JS compile warning.
Chromoting: Fix newly-added JS compile warning.

client_screen.js:462: ERROR - variable connectMe2MeWithPin is undeclared
    connectMe2MeWithPin();
    ^

BUG=none
TEST=none

Review URL: https://chromiumcodereview.appspot.com/9365021

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@121012 0039d316-1c4b-4281-b951-d872f2087c98

adobe/chromium,gavinp/chromium,gavinp/chromium,ropik/chromium,adobe/chromium,yitian134/chromium,adobe/chromium,adobe/chromium,yitian134/chromium,yitian134/chromium,ropik/chromium,gavinp/chromium,ropik/chromium,ropik/chromium,adobe/chromium,gavinp/chromium,ropik/chromium,gavinp/chromium,ropik/chromium,adobe/chromium,adobe/chromium,adobe/chromium,yitian134/chromium,yitian134/chromium,ropik/chromium,gavinp/chromium,gavinp/chromium,yitian134/chromium,yitian134/chromium,yitian134/chromium,gavinp/chromium,adobe/chromium,adobe/chromium,gavinp/chromium,ropik/chromium,yitian134/chromium,ropik/chromium,yitian134/chromium,gavinp/chromium,adobe/chromium