IDL: Prefer to extend IdlTypeBase instead of IdlType

Source/bindings/scripts/v8_callback_interface.py

 # Copyright (C) 2013 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 # copyright notice, this list of conditions and the following disclaimer
@@ skipping 10 matching lines @@
 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 """Generate template values for a callback interface.
 
-Extends IdlType with property |callback_cpp_type|.
+Extends IdlTypeBase with property |callback_cpp_type|.
 
 Design doc: http://www.chromium.org/developers/design-documents/idl-compiler
 """
 
-from idl_types import IdlType
+from idl_types import IdlTypeBase
 from v8_globals import includes
 import v8_types
 import v8_utilities
 
 CALLBACK_INTERFACE_H_INCLUDES = frozenset([
     'bindings/core/v8/ActiveDOMCallback.h',
     'bindings/core/v8/DOMWrapperWorld.h',
     'bindings/core/v8/ScopedPersistent.h',
 ])
 CALLBACK_INTERFACE_CPP_INCLUDES = frozenset([
@@ skipping 13 matching lines @@
     if idl_type_name == 'String':
         return 'const String&'
     if idl_type_name == 'void':
         return 'void'
     # Callbacks use raw pointers, so raw_type=True
     raw_cpp_type = idl_type.cpp_type_args(raw_type=True)
     if raw_cpp_type.startswith(('Vector', 'HeapVector', 'WillBeHeapVector')):
         return 'const %s&' % raw_cpp_type
     return raw_cpp_type
 
-IdlType.callback_cpp_type = property(cpp_type)
+IdlTypeBase.callback_cpp_type = property(cpp_type)
 
 
 def callback_interface_context(callback_interface):
     includes.clear()
     includes.update(CALLBACK_INTERFACE_CPP_INCLUDES)
     return {
         'conditional_string': v8_utilities.conditional_string(callback_interface),
         'cpp_class': callback_interface.name,
         'v8_class': v8_utilities.v8_class_name(callback_interface),
         'header_includes': set(CALLBACK_INTERFACE_H_INCLUDES),
@@ skipping 41 matching lines @@
         }
 
     argument_declarations = ['ScriptValue thisValue'] if call_with_this_handle else []
     argument_declarations.extend(
         '%s %s' % (argument.idl_type.callback_cpp_type, argument.name)
         for argument in arguments)
     return  {
         'argument_declarations': argument_declarations,
         'arguments': [argument_context(argument) for argument in arguments],
     }