Blink Compositor Animation: Erase old animation system.

content/test/test_blink_web_unit_test_support.cc

Index: content/test/test_blink_web_unit_test_support.cc
diff --git a/content/test/test_blink_web_unit_test_support.cc b/content/test/test_blink_web_unit_test_support.cc
index af042d843d7184d4e231910504f11e9cbbcea58e..b9c6b39ce346aa7141a25452c7f04e2b04363ddf 100644
--- a/content/test/test_blink_web_unit_test_support.cc
+++ b/content/test/test_blink_web_unit_test_support.cc
@@ -131,12 +131,6 @@ TestBlinkWebUnitTestSupport::TestBlinkWebUnitTestSupport() {
       blink::WebConnectionType::WebConnectionTypeUnknown,
       std::numeric_limits<double>::infinity());
 
-  // External cc::AnimationHost is enabled for unit tests.
-  cc::LayerSettings layer_settings;
-  layer_settings.use_compositor_animation_timelines = true;
-  cc_blink::WebLayerImpl::SetLayerSettings(layer_settings);
-  blink::WebRuntimeFeatures::enableCompositorAnimationTimelines(true);
-
   // Initialize libraries for media and enable the media player.
   media::InitializeMediaLibrary();
   blink::WebRuntimeFeatures::enableMediaPlayer(true);