[turbofan] Cleanup Schedule and related classes.

src/compiler/basic-block-instrumentor.cc

 // 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.
 
 #include "src/compiler/basic-block-instrumentor.h"
 
 #include <sstream>
 
 #include "src/compiler.h"
 #include "src/compiler/common-operator.h"
 #include "src/compiler/graph.h"
 #include "src/compiler/machine-operator.h"
+#include "src/compiler/node.h"
 #include "src/compiler/operator-properties.h"
 #include "src/compiler/schedule.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 // Find the first place to insert new nodes in a block that's already been
 // scheduled that won't upset the register allocator.
 static NodeVector::iterator FindInsertionPoint(BasicBlock* block) {
@@ skipping 74 matching lines @@
     for (int i = insertion_start; i < kArraySize; ++i) {
       schedule->SetBlockForNode(block, to_insert[i]);
     }
   }
   return data;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8