Bug 1697320: Mark webrender::render_task_graph::dump_render_tasks_as_svg as needed only when 'capture' feature is enabled r=nical
Bug 1697320: Mark webrender::render_task_graph::dump_render_tasks_as_svg as needed only when 'capture' feature is enabled r=nical

Differential Revision: https://phabricator.services.mozilla.com/D107748

[ghsync] From https://hg.mozilla.org/mozilla-central/rev/537e54c210e7637da745d40d3060f5f685cc9cb2

servo/webrender,servo/webrender,servo/webrender,servo/webrender,servo/webrender,servo/webrender