Cleanup: Some simplifications in json_schema_compiler.

tools/json_schema_compiler/cc_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 schema_util
 import util_cc_helper
 from cpp_namespace_environment import CppNamespaceEnvironment
@@ skipping 745 matching lines @@
       c.Sblock('else {')
       item_type = self._type_helper.FollowRef(underlying_type.item_type)
       if item_type.property_type == PropertyType.ENUM:
         c.Concat(self._GenerateListValueToEnumArrayConversion(
                      item_type,
                      'list',
                      dst_var,
                      failure_value,
                      is_ptr=is_ptr))
       else:
-        (c.Sblock('if (!%s) {' % self._util_cc_helper.PopulateArrayFromList(
-              'list',
-              dst_var,
-              is_ptr)))
+        c.Sblock('if (!%s) {' % self._util_cc_helper.PopulateArrayFromList(
+            'list',
+            dst_var,
+            is_ptr))
         c.Concat(self._GenerateError(
             '"unable to populate array \'%%(parent_key)s\'"'))
         if is_ptr and self._generate_error_messages:
           c.Append('%(dst_var)s.reset();')
         else:
           c.Append('return %(failure_value)s;')
         c.Eblock('}')
       c.Eblock('}')
     elif underlying_type.property_type == PropertyType.CHOICES:
       if is_ptr:
@@ skipping 268 matching lines @@
     if self._generate_error_messages:
       params = list(params) + ['base::string16* error']
     return ', '.join(str(p) for p in params)
 
   def _GenerateArgs(self, args):
     """Builds the argument list for a function, given an array of arguments.
     """
     if self._generate_error_messages:
       args = list(args) + ['error']
     return ', '.join(str(a) for a in args)