Revert "Add initial support for inlining."

src/compiler/js-inlining.h

Index: src/compiler/js-inlining.h
diff --git a/src/compiler/js-inlining.h b/src/compiler/js-inlining.h
deleted file mode 100644
index a434571977b54a0e98f65e4cf51652b190dbe2c5..0000000000000000000000000000000000000000
--- a/src/compiler/js-inlining.h
+++ /dev/null
@@ -1,34 +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_COMPILER_JS_INLINING_H_
-#define V8_COMPILER_JS_INLINING_H_
-
-#include "src/compiler/js-graph.h"
-#include "src/v8.h"
-
-namespace v8 {
-namespace internal {
-namespace compiler {
-
-class JSInliner {
- public:
-  JSInliner(CompilationInfo* info, JSGraph* jsgraph)
-      : info_(info), jsgraph_(jsgraph) {}
-
-  void Inline();
-  void TryInlineCall(Node* node);
-
- private:
-  friend class InlinerVisitor;
-  CompilationInfo* info_;
-  JSGraph* jsgraph_;
-
-  static void UnifyReturn(Graph* graph);
-};
-}
-}
-}  // namespace v8::internal::compiler
-
-#endif  // V8_COMPILER_JS_INLINING_H_