Use WaitForSwap in LayerWithRealCompositorTest.ReportMetrics

ui/compositor/layer_unittest.cc

Index: ui/compositor/layer_unittest.cc
diff --git a/ui/compositor/layer_unittest.cc b/ui/compositor/layer_unittest.cc
index 911788fede5f9eaf0d6d06549093f1398a4ea02d..6f178cacebb6d86b2494f44fd18e4306caeb9451 100644
--- a/ui/compositor/layer_unittest.cc
+++ b/ui/compositor/layer_unittest.cc
@@ -2230,7 +2230,7 @@ TEST_F(LayerWithRealCompositorTest, MAYBE_ReportMetrics) {
   animation_sequence->SetAnimationMetricsReporter(&reporter);
   animator->StartAnimation(animation_sequence);
   while (!reporter.report_called())
-    WaitForDraw();
+    WaitForSwap();
   ResetCompositor();
   // Even though most of the time 100% smooth animations are expected, on the
   // test bots this cannot be guaranteed. Therefore simply check that some