10 files declare their use of ControllerReference 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

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

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

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

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

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

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

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

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