Do not split attributes on getters and setters in databasebuilder.

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 177 matching lines @@
     self._members_emitter.Emit('\n  static final $TYPE $NAME = $VALUE;\n',
                                NAME=constant.id,
                                TYPE=DartType(constant.type.id),
                                VALUE=constant.value)
 
     pass
 
   def OverrideMember(self, member):
     return self._interface.id + '.' + member in _dom_frog_omitted_members
 
-  def AddAttribute(self, getter, setter):
+  def AddAttribute(self, attribute):
+    getter = attribute
+    setter = attribute if not IsReadOnly(attribute) else None
     if getter and self.OverrideMember('get:' + getter.id):
       getter = None
     if setter and self.OverrideMember('set:' + setter.id):
       setter = None
     if not getter and not setter:
       return
 
     output_type = getter and self._NarrowOutputType(getter.type.id)
     input_type = setter and self._NarrowInputType(setter.type.id)
 
@@ skipping 96 matching lines @@
             if attr2:
               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, getter, setter):
+  def AddSecondaryAttribute(self, interface, attribute):
     self._SecondaryContext(interface)
-    self.AddAttribute(getter, setter)
+    self.AddAttribute(attribute)
 
   def AddSecondaryOperation(self, interface, info):
     self._SecondaryContext(interface)
     self.AddOperation(info)
 
   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)
 
@@ skipping 58 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)