Move JSON schema validator code into its own directory in chrome/common

chrome/common/json_schema/json_schema_validator.h

 // Copyright (c) 2011 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 CHROME_COMMON_JSON_SCHEMA_VALIDATOR_H_
-#define CHROME_COMMON_JSON_SCHEMA_VALIDATOR_H_
+#ifndef CHROME_COMMON_JSON_SCHEMA_JSON_SCHEMA_VALIDATOR_H_
+#define CHROME_COMMON_JSON_SCHEMA_JSON_SCHEMA_VALIDATOR_H_
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 
 namespace base {
 class DictionaryValue;
 class ListValue;
@@ skipping 198 matching lines @@
   // overridden by the allow_additional_properties flag on an Object schema.
   bool default_allow_additional_properties_;
 
   // Errors accumulated since the last call to Validate().
   std::vector<Error> errors_;
 
 
   DISALLOW_COPY_AND_ASSIGN(JSONSchemaValidator);
 };
 
-#endif  // CHROME_COMMON_JSON_SCHEMA_VALIDATOR_H_
+#endif  // CHROME_COMMON_JSON_SCHEMA_JSON_SCHEMA_VALIDATOR_H_