bindings: Add support for the record<K,V> WebIDL type.

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 9f1c8b23b172911bd3015c0cadfe155f78b7ede9..074ab4949b10a593dccb63c98c14a118f909da1a 100644
--- a/third_party/WebKit/Source/bindings/scripts/v8_interface.py
+++ b/third_party/WebKit/Source/bindings/scripts/v8_interface.py
@@ -1099,7 +1099,8 @@ def resolution_tests_methods(effective_overloads):
             # Array in overloaded method: http://crbug.com/262383
             yield '%s->IsArray()' % cpp_value, method
     for idl_type, method in idl_types_methods:
-        if idl_type.is_dictionary or idl_type.name == 'Dictionary' or idl_type.is_callback_interface:
+        if idl_type.is_dictionary or idl_type.name == 'Dictionary' or \
+           idl_type.is_callback_interface or idl_type.is_record_type:
             # FIXME: should be '{1}->IsObject() && !{1}->IsRegExp()'.format(cpp_value)
             # FIXME: the IsRegExp checks can be skipped if we've
             # already generated tests for them.