Don't tell the webapp that someone is connected in OnSignallingConnected.
Don't tell the webapp that someone is connected in OnSignallingConnected.

BUG=None
TEST=Start sharing with the web-app. Ensure that the "Your desktop is currently being shared" message is not shown briefly before the access code appears.

Review URL: http://codereview.chromium.org/7222017

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@89895 0039d316-1c4b-4281-b951-d872f2087c98

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