[turbofan] Add schedule to visualizer output

test/unittests/compiler/scheduler-unittest.cc

Index: test/unittests/compiler/scheduler-unittest.cc
diff --git a/test/unittests/compiler/scheduler-unittest.cc b/test/unittests/compiler/scheduler-unittest.cc
index 9ff6a63998b8eaa423cfe75c4879376b21baf757..ee4c38b5ec9c589bea54f9ca4c0593deae5cb458 100644
--- a/test/unittests/compiler/scheduler-unittest.cc
+++ b/test/unittests/compiler/scheduler-unittest.cc
@@ -5,7 +5,6 @@
 #include "src/compiler/access-builder.h"
 #include "src/compiler/common-operator.h"
 #include "src/compiler/graph.h"
-#include "src/compiler/graph-visualizer.h"
 #include "src/compiler/js-operator.h"
 #include "src/compiler/node.h"
 #include "src/compiler/opcodes.h"
@@ -14,6 +13,7 @@
 #include "src/compiler/scheduler.h"
 #include "src/compiler/simplified-operator.h"
 #include "src/compiler/verifier.h"
+#include "src/compiler/visualizer.h"
 #include "test/unittests/compiler/compiler-test-utils.h"
 #include "test/unittests/test-utils.h"
 #include "testing/gmock/include/gmock/gmock.h"
@@ -40,7 +40,7 @@ class SchedulerTest : public TestWithZone {
 
     if (FLAG_trace_turbo_scheduler) {
       OFStream os(stdout);
-      os << *schedule << std::endl;
+      os << ScheduleAsJSON(*schedule) << std::endl;
     }
     ScheduleVerifier::Run(schedule);
     EXPECT_EQ(expected, GetScheduledNodeCount(schedule));