webkitpy: Use a SystemHost instead of PlatformInfo in the PNG checker.
Created attachment 139896 [details] Patch
Comment on attachment 139896 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=139896&action=review > Tools/Scripts/webkitpy/common/system/systemhost_mock.py:40 > + self.filesystem = filesystem or MockFileSystem() Since things like executive, filesystem are public properties, I sometimes will construct the object with the default values and then set the property, rather than passing it in (which is why filesystem wasn't previously a parameter). I don't know that my approach was better or worse than this, though.
Committed r115900: <http://trac.webkit.org/changeset/115900>