[Extensions] Don't generate a list for each generated schema

tools/json_schema_compiler/cpp_bundle_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.
 
 import code
 import cpp_util
 from model import Platforms
 from schema_util import CapitalizeFirstLetter
 from schema_util import JsFunctionNameToClassName
 
@@ skipping 308 matching lines @@
     c.Append(cpp_util.CHROMIUM_LICENSE)
     c.Append()
     c.Append('#include "%s"' % (os.path.join(self._bundle._source_file_dir,
                                              'generated_schemas.h')))
     c.Append()
     c.Append('#include "base/lazy_instance.h"')
     c.Append()
     c.Append('namespace {')
     for api in self._bundle._api_defs:
       namespace = self._bundle._model.namespaces[api.get('namespace')]
-      # JSON parsing code expects lists of schemas, so dump a singleton list.
-      json_content = json.dumps([_PrefixSchemaWithNamespace(
-                                     _RemoveUnneededFields(api))],
+      json_content = json.dumps(_PrefixSchemaWithNamespace(
+                                     _RemoveUnneededFields(api)),
                                 separators=(',', ':'))
       # Escape all double-quotes and backslashes. For this to output a valid
       # JSON C string, we need to escape \ and ". Note that some schemas are
       # too large to compile on windows. Split the JSON up into several
       # strings, since apparently that helps.
       max_length = 8192
       segments = [json_content[i:i + max_length].replace('\\', '\\\\')
                                                 .replace('"', '\\"')
                   for i in xrange(0, len(json_content), max_length)]
       c.Append('const char %s[] = "%s";' %
@@ skipping 25 matching lines @@
     c.Append()
     c.Append('// static')
     c.Sblock('bool %s::IsGenerated(std::string name) {' %
              self._bundle._GenerateBundleClass('GeneratedSchemas'))
     c.Append('return g_lazy_instance.Get().schemas.count(name) > 0;')
     c.Eblock('}')
     c.Append()
     c.Concat(cpp_util.CloseNamespace(self._bundle._cpp_namespace))
     c.Append()
     return c