First change to add safebrowsing service test. 
Right now, the test only launch the browser and makes sure no 
auto update is scheduled.

Later, the test suite server will be launched within the test
and requests will be issued,

BUG=47318
TEST=this is the test.
Review URL: http://codereview.chromium.org/2845035

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@52719 0039d316-1c4b-4281-b951-d872f2087c98
4 files changed