[turbofan] Remove bloated GraphBuilder base class.

src/compiler/graph-builder.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_GRAPH_BUILDER_H_
-#define V8_COMPILER_GRAPH_BUILDER_H_
-
-#include "src/allocation.h"
-#include "src/compiler/common-operator.h"
-#include "src/compiler/graph.h"
-#include "src/compiler/node.h"
-#include "src/unique.h"
-
-namespace v8 {
-namespace internal {
-namespace compiler {
-
-// A common base class for anything that creates nodes in a graph.
-class GraphBuilder {
- public:
-  GraphBuilder(Isolate* isolate, Graph* graph)
-      : isolate_(isolate), graph_(graph) {}
-  virtual ~GraphBuilder() {}
-
-  Node* NewNode(const Operator* op, bool incomplete = false) {
-    return MakeNode(op, 0, static_cast<Node**>(NULL), incomplete);
-  }
-
-  Node* NewNode(const Operator* op, Node* n1) {
-    return MakeNode(op, 1, &n1, false);
-  }
-
-  Node* NewNode(const Operator* op, Node* n1, Node* n2) {
-    Node* buffer[] = {n1, n2};
-    return MakeNode(op, arraysize(buffer), buffer, false);
-  }
-
-  Node* NewNode(const Operator* op, Node* n1, Node* n2, Node* n3) {
-    Node* buffer[] = {n1, n2, n3};
-    return MakeNode(op, arraysize(buffer), buffer, false);
-  }
-
-  Node* NewNode(const Operator* op, Node* n1, Node* n2, Node* n3, Node* n4) {
-    Node* buffer[] = {n1, n2, n3, n4};
-    return MakeNode(op, arraysize(buffer), buffer, false);
-  }
-
-  Node* NewNode(const Operator* op, Node* n1, Node* n2, Node* n3, Node* n4,
-                Node* n5) {
-    Node* buffer[] = {n1, n2, n3, n4, n5};
-    return MakeNode(op, arraysize(buffer), buffer, false);
-  }
-
-  Node* NewNode(const Operator* op, Node* n1, Node* n2, Node* n3, Node* n4,
-                Node* n5, Node* n6) {
-    Node* nodes[] = {n1, n2, n3, n4, n5, n6};
-    return MakeNode(op, arraysize(nodes), nodes, false);
-  }
-
-  Node* NewNode(const Operator* op, int value_input_count, Node** value_inputs,
-                bool incomplete = false) {
-    return MakeNode(op, value_input_count, value_inputs, incomplete);
-  }
-
-  Isolate* isolate() const { return isolate_; }
-  Graph* graph() const { return graph_; }
-
- protected:
-  // Base implementation used by all factory methods.
-  virtual Node* MakeNode(const Operator* op, int value_input_count,
-                         Node** value_inputs, bool incomplete) = 0;
-
- private:
-  Isolate* isolate_;
-  Graph* graph_;
-};
-
-}  // namespace compiler
-}  // namespace internal
-}  // namespace v8
-
-#endif  // V8_COMPILER_GRAPH_BUILDER_H__