Kill [SetWrapperReferenceFromReference] IDL extended attribute

Source/bindings/scripts/v8_interface.py

Index: Source/bindings/scripts/v8_interface.py
diff --git a/Source/bindings/scripts/v8_interface.py b/Source/bindings/scripts/v8_interface.py
index 78aca2042ef14015ae2dfad03e521468ae17e990..036de7b8e50b558ec8bacd9e9883acff39204375 100644
--- a/Source/bindings/scripts/v8_interface.py
+++ b/Source/bindings/scripts/v8_interface.py
@@ -95,8 +95,7 @@ def generate_interface(interface):
 
     # [SetWrapperReferenceFrom]
     reachable_node_function = extended_attributes.get('SetWrapperReferenceFrom')
-    reachable_node_reference_function = extended_attributes.get('SetWrapperReferenceFromReference')
-    if reachable_node_function or reachable_node_reference_function:
+    if reachable_node_function:
         includes.update(['bindings/v8/V8GCController.h',
                          'core/dom/Element.h'])
 
@@ -135,7 +134,6 @@ def generate_interface(interface):
             # [Custom=Wrap], [SetWrapperReferenceFrom]
             has_extended_attribute_value(interface, 'Custom', 'VisitDOMWrapper') or
             reachable_node_function or
-            reachable_node_reference_function or
             set_wrapper_reference_to_list),
         'header_includes': header_includes,
         'interface_name': interface.name,
@@ -153,7 +151,6 @@ def generate_interface(interface):
         'pass_ref_ptr': 'PassRefPtrWillBeRawPtr'
                         if is_will_be_garbage_collected else 'PassRefPtr',
         'reachable_node_function': reachable_node_function,
-        'reachable_node_reference_function': reachable_node_reference_function,
         'ref_ptr': 'RefPtrWillBeRawPtr'
                    if is_will_be_garbage_collected else 'RefPtr',
         'runtime_enabled_function': runtime_enabled_function_name(interface),  # [RuntimeEnabled]