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- Patterns with file scheme and non empty host
- File patterns that user a wildcard '*' symbol in their path
- "file:///"
- Patterns with an IP address and a domain wildcard.

Add tests to check that "[*.]", "http://[*.]", ... are valid patterns.

BUG=104414
TEST=ContentSettingsPattern*


Review URL: http://codereview.chromium.org/8676020

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@111546 0039d316-1c4b-4281-b951-d872f2087c98