[bindings] add support for integer-indexed @@iterator

third_party/WebKit/Source/bindings/scripts/v8_interface.py

Index: third_party/WebKit/Source/bindings/scripts/v8_interface.py
diff --git a/third_party/WebKit/Source/bindings/scripts/v8_interface.py b/third_party/WebKit/Source/bindings/scripts/v8_interface.py
index 6c143aaf97f8cbe9c90949cccfa48682fca80980..e4f69f37d852ebb9d217301e5bf42067cb56baa5 100644
--- a/third_party/WebKit/Source/bindings/scripts/v8_interface.py
+++ b/third_party/WebKit/Source/bindings/scripts/v8_interface.py
@@ -122,6 +122,9 @@ def interface_context(interface):
     # [DependentLifetime]
     is_dependent_lifetime = 'DependentLifetime' in extended_attributes
 
+    # [Global] and [PrimaryGlibal]
+    is_global = any(name in extended_attributes for name in ['Global', 'PrimaryGlobal'])
+
     # [MeasureAs]
     is_measure_as = 'MeasureAs' in extended_attributes
     if is_measure_as:
@@ -183,6 +186,7 @@ def interface_context(interface):
         'is_check_security': is_check_security,
         'is_event_target': is_event_target,
         'is_exception': interface.is_exception,
+        'is_global': is_global,
         'is_node': inherits_interface(interface.name, 'Node'),
         'is_partial': interface.is_partial,
         'is_typed_array_type': is_typed_array_type,
@@ -348,13 +352,15 @@ def interface_context(interface):
 
     # [Iterable], iterable<>, maplike<> and setlike<>
     iterator_method = None
+    has_array_iterator = False
+
     # FIXME: support Iterable in partial interfaces. However, we don't
     # need to support iterator overloads between interface and
     # partial interface definitions.
     # http://heycam.github.io/webidl/#idl-overloading
     if (not interface.is_partial
         and (interface.iterable or interface.maplike or interface.setlike
-             or 'Iterable' in extended_attributes)):
+             or interface.has_indexed_elements or 'Iterable' in extended_attributes)):
 
         used_extended_attributes = {}
 
@@ -387,7 +393,10 @@ def interface_context(interface):
                 extended_attributes=used_extended_attributes,
                 implemented_as=implemented_as)
 
-        iterator_method = generated_iterator_method('iterator', implemented_as='iterator')
+        if interface.iterable or interface.maplike or interface.setlike or 'Iterable' in extended_attributes:
+            iterator_method = generated_iterator_method('iterator', implemented_as='iterator')
+        elif interface.has_indexed_elements:
+            has_array_iterator = True
 
         if interface.iterable or interface.maplike or interface.setlike:
             implicit_methods = [
@@ -560,6 +569,7 @@ def interface_context(interface):
         'has_private_script': any(attribute['is_implemented_in_private_script'] for attribute in attributes) or
             any(method['is_implemented_in_private_script'] for method in methods),
         'iterator_method': iterator_method,
+        'has_array_iterator': has_array_iterator,
         'method_configuration_methods': method_configuration_methods,
         'methods': methods,
     })