Nate Weaver 9de27febf0 Fix favicon loading for sites with multiple/invalid favicons
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
2019-11-27 13:02:49 -06:00
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