Load the next favicon if a favicon is invalid
Iterate through multiple favicons and use the first that actually loads
- Add a homePageURL property to SingleFaviconDownloader that notification observers can use.
- Only add a URL to the favicon cache when we're sure it's valid.
Post notification even if the icon failed to load
Update RSParser
Remove single-favicon helper methods
Only load the next favicon if the current load failed
Update RSParser
Make sure to try the default favicon.ico
RSParser test fix update
Update RSParser
Nate Weaver
Brent Simmons