Make generic algorithm a little less generic.

src/compiler/generic-algorithm-inl.h

-// Copyright 2013 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_GENERIC_ALGORITHM_INL_H_
-#define V8_COMPILER_GENERIC_ALGORITHM_INL_H_
-
-#include <vector>
-
-#include "src/compiler/generic-algorithm.h"
-#include "src/compiler/graph.h"
-#include "src/compiler/node.h"
-
-namespace v8 {
-namespace internal {
-namespace compiler {
-
-template <class N>
-class NodeInputIterationTraits {
- public:
-  typedef N Node;
-  typedef typename N::InputEdges::iterator Iterator;
-
-  static Iterator begin(Node* node) { return node->input_edges().begin(); }
-  static Iterator end(Node* node) { return node->input_edges().end(); }
-  static int max_id(Graph* graph) { return graph->NodeCount(); }
-  static Node* to(Iterator iterator) { return (*iterator).to(); }
-  static Node* from(Iterator iterator) { return (*iterator).from(); }
-};
-
-}  // namespace compiler
-}  // namespace internal
-}  // namespace v8
-
-#endif  // V8_COMPILER_GENERIC_ALGORITHM_INL_H_