7 files declare their use of UriSigner in Zircon Profile 8

AbstractSurrogateFragmentRenderer.php in vendor/symfony/http-kernel/Fragment/AbstractSurrogateFragmentRenderer.php

EsiFragmentRendererTest.php in vendor/symfony/http-kernel/Tests/Fragment/EsiFragmentRendererTest.php

FragmentListener.php in vendor/symfony/http-kernel/EventListener/FragmentListener.php

FragmentListenerTest.php in vendor/symfony/http-kernel/Tests/EventListener/FragmentListenerTest.php

HIncludeFragmentRenderer.php in vendor/symfony/http-kernel/Fragment/HIncludeFragmentRenderer.php

HIncludeFragmentRendererTest.php in vendor/symfony/http-kernel/Tests/Fragment/HIncludeFragmentRendererTest.php

UriSignerTest.php in vendor/symfony/http-kernel/Tests/UriSignerTest.php