Add tests for one-click sign in infobar.
Add tests for one-click sign in infobar.

Triaged the bugs for one-click sign in and automated what was available.
Current set of automated tests do not include scenarios where sync is accepted as
there may be a UI change down the road related to those tests.

 -testDisplayOneClickInfobar
 -testNoOneClickInfobarAfterCancel
 -testDisplayOneClickInfobarAfterDismiss
 -testDisplayOneClickInfobarPerProfile
 -testNoSameIDSigninForTwoProfiles
 -testNoOneClickInfobarWhenCookiesBlocked
 -testOneClickInfobarShownWhenWinLoseFocus

TESTS=none
BUG=124326
Review URL: https://chromiumcodereview.appspot.com/10152004

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@133718 0039d316-1c4b-4281-b951-d872f2087c98

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