Remove dependency on v8.h from TurboFan.

src/compiler/verifier.h

 // Copyright 2014 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.
 
 #ifndef V8_COMPILER_VERIFIER_H_
 #define V8_COMPILER_VERIFIER_H_
 
-#include "src/v8.h"
+#include "src/base/macros.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 class Graph;
 class Schedule;
 
 // Verifies properties of a graph, such as the well-formedness of inputs to
 // each node, etc.
@@ skipping 11 matching lines @@
 // Verifies properties of a schedule, such as dominance, phi placement, etc.
 class ScheduleVerifier {
  public:
   static void Run(Schedule* schedule);
 };
 }
 }
 }  // namespace v8::internal::compiler
 
 #endif  // V8_COMPILER_VERIFIER_H_