Strip unused functionality from dart:html and fix strong mode errors. Switch from blacklisting pure…

tools/dom/scripts/htmldartgenerator.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 system to generate
 dart:html APIs from the IDL database."""
 
 import emitter
 from generator import AnalyzeOperation, ConstantOutputOrder, \
@@ skipping 159 matching lines @@
     if not interface.parents:
       return
 
     parent_name = interface.parents[0].type.id
     parent = self._database.GetInterface(parent_name)
     if parent == self._interface or parent == interface:
       return
 
     # Never remove operations that are added as a result of an implements they
     # are pure interfaces (mixins to this interface).
-    if (IsPureInterface(parent_name)):
+    if (IsPureInterface(parent_name, self._database)):
       return
 
     for operation in parent.operations:
       if operation.id in operationsByName:
         operations = operationsByName[operation.id]
         for existing_operation in operations:
           if existing_operation.SameSignatureAs(operation):
             del operationsByName[operation.id]
 
   def _AddRenamedOverloads(self, interface):
@@ skipping 697 matching lines @@
   def _InputType(self, type_name, info):
     conversion = self._InputConversion(type_name, info.declared_name)
     if conversion:
       return conversion.input_type
     else:
       # If typedef it's a union return dynamic.
       if self._database.HasTypeDef(type_name):
         return 'dynamic'
       else:
         return self._NarrowInputType(type_name) if type_name else 'dynamic'