[tubofan] Remove .dot output of --trace-turbo

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/source-position.h"
 #include "src/compiler/verifier.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 TestWithIsolateAndZone {
  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());
+      SourcePositionTable table(graph());
+      os << AsJSON(*graph(), &table);
     }
 
     Schedule* schedule =
         Scheduler::ComputeSchedule(zone(), graph(), Scheduler::kSplitNodes);
 
     if (FLAG_trace_turbo_scheduler) {
       OFStream os(stdout);
       os << *schedule << std::endl;
     }
     ScheduleVerifier::Run(schedule);
@@ skipping 1107 matching lines @@
 
   Schedule* schedule = ComputeAndVerifySchedule(6);
   BasicBlock* block = schedule->block(loop);
   EXPECT_EQ(block, schedule->block(effect));
   EXPECT_GE(block->rpo_number(), 0);
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8