JSON schema compiler can't handle strings as types

tools/json_schema_compiler/h_generator.py

 # 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.
 
 from code import Code
 from model import PropertyType
 import cpp_util
 import model
 import os
 
@@ skipping 161 matching lines @@
           .Append()
         )
       c.Eblock('}')
     elif type_.type_ == PropertyType.ARRAY:
       if type_.description:
         c.Comment(type_.description)
       c.Append('typedef std::vector<%(item_type)s> %(classname)s;')
       c.Substitute({'classname': classname, 'item_type':
           self._cpp_type_generator.GetType(type_.item_type,
                                            wrap_optional=True)})
+    elif type_.type_ == PropertyType.STRING:
+      if type_.description:
+        c.Comment(type_.description)
+      c.Append('typedef std::string %(classname)s;')
+      c.Substitute({'classname': classname})
     else:
       if type_.description:
         c.Comment(type_.description)
       (c.Sblock('struct %(classname)s {')
           .Append('~%(classname)s();')
           .Append('%(classname)s();')
           .Append()
           .Concat(self._GeneratePropertyStructures(type_.properties.values()))
           .Concat(self._GenerateFields(type_.properties.values()))
       )
@@ skipping 104 matching lines @@
           c.Comment(param.description)
         if param.type_ == PropertyType.ANY:
           c.Comment("Value* Result::Create(Value*) not generated "
                     "because it's redundant.")
           continue
         c.Append('Value* Create(const %s);' % cpp_util.GetParameterDeclaration(
             param, self._cpp_type_generator.GetType(param)))
     c.Eblock('};')
 
     return c