chromium/ios/chrome/browser/ui/whats_new/resources/Assets.xcassets/whats_new_icon_tile.imageset/Contents.json

{
    "images": [
        {
            "idiom": "universal",
            "scale": "2x",
            "filename": "[email protected]"
        },
        {
            "idiom": "universal",
            "scale": "3x",
            "filename": "[email protected]"
        }
    ]
}