Fixed issues raised by chdumez
Moved srcset parsing to a HTMLSrcsetParser. Added tests for preloading. Fixed preloading bug
Fixed more style issues, and possibly a bug
Merged Romain's WebKit patch, adapted it to Blink, got rid of decode, and improved tests
Fixed style issues
Fixed several review issues
Moved srcset preloading out of general path. Added preloading tests
Moved parsing to use skips. Now everything's brokengit status! Committing for backup purposes