Overhaul JSON Schema Compiler to support a number of features required to

tools/json_schema_compiler/any.h

-// Copyright (c) 2012 The Chromium 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 TOOLS_JSON_SCHEMA_COMPILER_ANY_H__
-#define TOOLS_JSON_SCHEMA_COMPILER_ANY_H__
-
-#include "base/basictypes.h"
-#include "base/memory/scoped_ptr.h"
-
-namespace base {
-class Value;
-}
-
-namespace json_schema_compiler {
-namespace any {
-
-// Represents an "any" type in JSON schema as a wrapped Value.
-class Any {
- public:
-  Any();
-  ~Any();
-
-  // Initializes the Value in this Any. Fails if already initialized.
-  void Init(const base::Value& from_value);
-
-  // Get the Value from this Any.
-  const base::Value& value() const;
-
- private:
-  scoped_ptr<base::Value> value_;
-
-  DISALLOW_COPY_AND_ASSIGN(Any);
-};
-
-}  // namespace any
-}  // namespace json_schema_compiler
-
-#endif // TOOLS_JSON_SCHEMA_COMPILER_ANY_H__