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diff --git a/components/json_schema/json_schema_validator.h b/components/json_schema/json_schema_validator.h
deleted file mode 100644
index 0b2f4bd463..0000000000
--- a/components/json_schema/json_schema_validator.h
+++ /dev/null
@@ -1,83 +0,0 @@
-// Copyright 2013 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 COMPONENTS_JSON_SCHEMA_JSON_SCHEMA_VALIDATOR_H_
-#define COMPONENTS_JSON_SCHEMA_JSON_SCHEMA_VALIDATOR_H_
-
-#include <map>
-#include <memory>
-#include <string>
-#include <vector>
-
-#include "base/macros.h"
-
-namespace base {
-class DictionaryValue;
-}
-
-//==============================================================================
-// This class implements a subset of JSON Schema.
-// See: http://www.json.com/json-schema-proposal/ for more details.
-//
-// There is also an older JavaScript implementation of the same functionality in
-// chrome/renderer/resources/json_schema.js.
-//
-// The following features of JSON Schema are not implemented:
-// - requires
-// - unique
-// - disallow
-// - union types (but replaced with 'choices')
-// - number.maxDecimal
-//
-// The following properties are not applicable to the interface exposed by
-// this class:
-// - options
-// - readonly
-// - title
-// - description
-// - format
-// - default
-// - transient
-// - hidden
-//
-// There are also these departures from the JSON Schema proposal:
-// - null counts as 'unspecified' for optional values
-// - added the 'choices' property, to allow specifying a list of possible types
-//   for a value
-// - by default an "object" typed schema does not allow additional properties.
-//   if present, "additionalProperties" is to be a schema against which all
-//   additional properties will be validated.
-// - regular expression supports all syntaxes that re2 accepts.
-//   See https://github.com/google/re2/blob/master/doc/syntax.txt for details.
-//==============================================================================
-class JSONSchemaValidator {
- public:
-  enum Options {
-    // Ignore unknown attributes. If this option is not set then unknown
-    // attributes will make the schema validation fail.
-    OPTIONS_IGNORE_UNKNOWN_ATTRIBUTES = 1 << 0,
-  };
-
-  // Verifies if |schema| is a valid JSON v3 schema. When this validation passes
-  // then |schema| is valid JSON that can be parsed into a DictionaryValue,
-  // and that DictionaryValue can be used to build a JSONSchemaValidator.
-  // Returns the parsed DictionaryValue when |schema| validated, otherwise
-  // returns NULL. In that case, |error| contains an error description.
-  // For performance reasons, currently IsValidSchema() won't check the
-  // correctness of regular expressions used in "pattern" and
-  // "patternProperties" and in Validate() invalid regular expression don't
-  // accept any strings.
-  static std::unique_ptr<base::DictionaryValue> IsValidSchema(
-      const std::string& schema,
-      std::string* error);
-
-  // Same as above but with |options|, which is a bitwise-OR combination of the
-  // Options above.
-  static std::unique_ptr<base::DictionaryValue>
-  IsValidSchema(const std::string& schema, int options, std::string* error);
-
-  DISALLOW_COPY_AND_ASSIGN(JSONSchemaValidator);
-};
-
-#endif  // COMPONENTS_JSON_SCHEMA_JSON_SCHEMA_VALIDATOR_H_