Run the JSON Schema Compiler's bundle compilation on JSON files. Previously it

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.
   """
   def __init__(self, indent_size=2, comment_length=80):
     self._code = []
     self._indent_level = 0
     self._indent_size = indent_size
     self._comment_length = comment_length
 
-  def Append(self, line='', substitute=True):
+  def Append(self, line='', substitute=True, indent_level=None):
     """Appends a line of code at the current indent level or just a newline if
     line is not specified. Trailing whitespace is stripped.
 
     substitute: indicated whether this line should be affected by
     code.Substitute().
     """
-    self._code.append(Line(((' ' * self._indent_level) + line).rstrip(),
-        substitute=substitute))
+    if indent_level is None:
+      indent_level = self._indent_level
+    self._code.append(Line(((' ' * indent_level) + line).rstrip(),
+                      substitute=substitute))
     return self
 
   def IsEmpty(self):
     """Returns True if the Code object is empty.
     """
     return not bool(self._code)
 
   def Concat(self, obj):
     """Concatenate another Code object onto this one. Trailing whitespace is
     stripped.
@@ skipping 85 matching lines @@
     """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