Only run the phishing classifier for http: urls.

Also, dial back the error logging a bit for cases that could come up in
practice (for example, unqualified hostnames on a local network).

BUG=none
TEST=PhishingClassifierTest

Review URL: http://codereview.chromium.org/3461031

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@61205 0039d316-1c4b-4281-b951-d872f2087c98
4 files changed