Remove accidental duplication in cctest suite.

test/cctest/compiler/compiler/simplified-graph-builder.h

Index: test/cctest/compiler/compiler/simplified-graph-builder.h
diff --git a/test/cctest/compiler/compiler/simplified-graph-builder.h b/test/cctest/compiler/compiler/simplified-graph-builder.h
deleted file mode 100644
index 22b7bbf661b29d9bdfde540cdce4bee5f3df0b13..0000000000000000000000000000000000000000
--- a/test/cctest/compiler/compiler/simplified-graph-builder.h
+++ /dev/null
@@ -1,72 +0,0 @@
-// 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_CCTEST_COMPILER_SIMPLIFIED_GRAPH_BUILDER_H_
-#define V8_CCTEST_COMPILER_SIMPLIFIED_GRAPH_BUILDER_H_
-
-#include "src/compiler/common-operator.h"
-#include "src/compiler/graph-builder.h"
-#include "src/compiler/machine-node-factory.h"
-#include "src/compiler/machine-operator.h"
-#include "src/compiler/simplified-node-factory.h"
-#include "src/compiler/simplified-operator.h"
-#include "test/cctest/cctest.h"
-#include "test/cctest/compiler/call-tester.h"
-
-namespace v8 {
-namespace internal {
-namespace compiler {
-
-class SimplifiedGraphBuilder
-    : public StructuredGraphBuilder,
-      public MachineNodeFactory<SimplifiedGraphBuilder>,
-      public SimplifiedNodeFactory<SimplifiedGraphBuilder> {
- public:
-  SimplifiedGraphBuilder(Graph* graph, CommonOperatorBuilder* common,
-                         MachineOperatorBuilder* machine,
-                         SimplifiedOperatorBuilder* simplified);
-  virtual ~SimplifiedGraphBuilder() {}
-
-  class Environment : public StructuredGraphBuilder::Environment {
-   public:
-    Environment(SimplifiedGraphBuilder* builder, Node* control_dependency);
-
-    // TODO(dcarney): encode somehow and merge into StructuredGraphBuilder.
-    // SSA renaming operations.
-    Node* Top();
-    void Push(Node* node);
-    Node* Pop();
-    void Poke(size_t depth, Node* node);
-    Node* Peek(size_t depth);
-  };
-
-  Isolate* isolate() const { return zone()->isolate(); }
-  Zone* zone() const { return StructuredGraphBuilder::zone(); }
-  CommonOperatorBuilder* common() const {
-    return StructuredGraphBuilder::common();
-  }
-  MachineOperatorBuilder* machine() const { return machine_; }
-  SimplifiedOperatorBuilder* simplified() const { return simplified_; }
-  Environment* environment() {
-    return reinterpret_cast<Environment*>(environment_internal());
-  }
-
-  // Initialize graph and builder.
-  void Begin();
-
-  void Return(Node* value);
-
-  // Close the graph.
-  void End();
-
- private:
-  MachineOperatorBuilder* machine_;
-  SimplifiedOperatorBuilder* simplified_;
-};
-
-}  // namespace compiler
-}  // namespace internal
-}  // namespace v8
-
-#endif  // V8_CCTEST_COMPILER_SIMPLIFIED_GRAPH_BUILDER_H_