Initial code generation for features.

tools/json_schema_compiler/code.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.
 
 class Code(object):
   """A convenience object for constructing code.
 
   Logically each object should be a block of code. All methods except |Render|
   and |IsEmpty| return self.
   """
@@ skipping 115 matching lines @@
                           'Named arguments only. Use "%" to escape')
         self._code[i].value = line.value % d
         self._code[i].substitute = False
     return self
 
   def Render(self):
     """Renders Code as a string.
     """
     return '\n'.join([l.value for l in self._code])
 
+
 class Line(object):
   """A line of code.
   """
   def __init__(self, value, substitute=True):
     self.value = value
     self.substitute = substitute