Cleanup attributes generation in dart:html.

lib/dom/scripts/systemfrog.py

 #!/usr/bin/python
 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 """This module provides shared functionality for the systems to generate
 frog binding from the IDL database."""
 
 import os
 from generator import *
@@ skipping 297 matching lines @@
               return (attr2, parent_interface_name)
 
           return FindInParent(
               self._system._database.GetInterface(parent_interface_name))
       return (None, None)
 
     return FindInParent(self._interface) if attr else (None, None)
 
 
   def AddSecondaryAttribute(self, interface, attribute):
-    self._SecondaryContext(interface)
+    self.SecondaryContext(interface)
     self.AddAttribute(attribute)
 
   def AddSecondaryOperation(self, interface, info):
-    self._SecondaryContext(interface)
+    self.SecondaryContext(interface)
     self.AddOperation(info)
 
-  def _SecondaryContext(self, interface):
+  def SecondaryContext(self, interface):
     if interface is not self._current_secondary_parent:
       self._current_secondary_parent = interface
       self._members_emitter.Emit('\n  // From $WHERE\n', WHERE=interface.id)
 
   def AddIndexer(self, element_type):
     """Adds all the methods required to complete implementation of List."""
     # We would like to simply inherit the implementation of everything except
     # get length(), [], and maybe []=.  It is possible to extend from a base
     # array implementation class only when there is no other implementation
     # inheritance.  There might be no implementation inheritance other than
@@ skipping 52 matching lines @@
     if native_body:
       native_string = " '''" + native_body + "'''"
 
     self._members_emitter.Emit(
         '\n'
         '  $TYPE $NAME($PARAMS) native$NATIVESTRING;\n',
         TYPE=self._NarrowOutputType(info.type_name),
         NAME=info.name,
         PARAMS=params,
         NATIVESTRING=native_string)