[bindings] Pass NormalConversion to to[U]Int{8/16/32/64}(...) in v8_types.py and reduce conversion …

Source/bindings/scripts/v8_types.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 523 matching lines @@
     # Array or sequence types
     native_array_element_type = idl_type.native_array_element_type
     if native_array_element_type:
         return v8_value_to_cpp_value_array_or_sequence(native_array_element_type, v8_value, index, isolate)
 
     # Simple types
     idl_type = idl_type.preprocessed_type
     add_includes_for_type(idl_type)
     base_idl_type = idl_type.as_union_type.name if idl_type.is_union_type else idl_type.base_type
 
-    if 'EnforceRange' in extended_attributes:
-        arguments = ', '.join([v8_value, 'EnforceRange', 'exceptionState'])
-    elif 'Clamp' in extended_attributes:
-        arguments = ', '.join([v8_value, 'Clamp', 'exceptionState'])
+    if idl_type.is_integer_type:
+        configuration = 'NormalConversion'
+        if 'EnforceRange' in extended_attributes:
+            configuration = 'EnforceRange'
+        elif 'Clamp' in extended_attributes:
+            configuration = 'Clamp'
+        arguments = ', '.join([v8_value, configuration, 'exceptionState'])
     elif idl_type.v8_conversion_needs_exception_state:
         arguments = ', '.join([v8_value, 'exceptionState'])
     else:
         arguments = v8_value
     if base_idl_type in V8_VALUE_TO_CPP_VALUE:
         cpp_expression_format = V8_VALUE_TO_CPP_VALUE[base_idl_type]
     elif idl_type.is_array_buffer_or_view:
         cpp_expression_format = (
             '{v8_value}->Is{idl_type}() ? '
             'V8{idl_type}::toImpl(v8::Local<v8::{idl_type}>::Cast({v8_value})) : 0')
@@ skipping 408 matching lines @@
     number_of_nullable_member_types_union)
 
 
 def includes_nullable_type_union(idl_type):
     # http://heycam.github.io/webidl/#dfn-includes-a-nullable-type
     return idl_type.number_of_nullable_member_types == 1
 
 IdlTypeBase.includes_nullable_type = False
 IdlNullableType.includes_nullable_type = True
 IdlUnionType.includes_nullable_type = property(includes_nullable_type_union)