[turbofan] Add schedule to visualizer output

test/unittests/compiler/scheduler-unittest.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #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"
 #include "src/compiler/operator.h"
 #include "src/compiler/schedule.h"
 #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"
 
 using testing::AnyOf;
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 class SchedulerTest : public TestWithZone {
  public:
   SchedulerTest()
       : graph_(zone()), common_(zone()), simplified_(zone()), js_(zone()) {}
 
   Schedule* ComputeAndVerifySchedule(size_t expected) {
     if (FLAG_trace_turbo) {
       OFStream os(stdout);
       os << AsDOT(*graph());
     }
 
     Schedule* schedule =
         Scheduler::ComputeSchedule(zone(), graph(), Scheduler::kSplitNodes);
 
     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));
     return schedule;
   }
 
   size_t GetScheduledNodeCount(const Schedule* schedule) {
     size_t node_count = 0;
     for (auto block : *schedule->rpo_order()) {
       node_count += block->NodeCount();
@@ skipping 1976 matching lines @@
   Node* end = graph()->NewNode(common()->End(), ret);
 
   graph()->SetEnd(end);
 
   ComputeAndVerifySchedule(16);
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8