GitLab

- Send the binary sha256 hash.
- Cancel requests that timed out.

BUG=102540
TEST=Run DownloadProtectionServiceTest. Also, if you have SafeBrowsing enabled you should see a server request for every binary download that doesn't match our whitelist.


Review URL: http://codereview.chromium.org/8586011

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@110649 0039d316-1c4b-4281-b951-d872f2087c98