IDL compiler: Expose interface and dictionary members from web_idl

Bug: 839389
Change-Id: I41642b09c0fe8a24c9d32eb29b82f9c4a58fd698
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1932147
Commit-Queue: Yuki Shiino <yukishiino@chromium.org>
Reviewed-by: Hitoshi Yoshida <peria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#718557}

third_party/blink/renderer/bindings/scripts/web_idl/__init__.py

@@ -30,18 +30,25 @@ _setup_sys_path()
 
 
 from .ast_group import AstGroup
+from .attribute import Attribute
 from .callback_function import CallbackFunction
 from .callback_interface import CallbackInterface
 from .composition_parts import Component
+from .constant import Constant
+from .constructor import Constructor
+from .constructor import ConstructorGroup
 from .database import Database
 from .database_builder import build_database
 from .dictionary import Dictionary
+from .dictionary import DictionaryMember
 from .enumeration import Enumeration
 from .exposure import Exposure
 from .function_like import FunctionLike
 from .idl_type import IdlType
 from .interface import Interface
 from .namespace import Namespace
+from .operation import Operation
+from .operation import OperationGroup
 from .overload_group import OverloadGroup
 from .runtime_enabled_features import RuntimeEnabledFeatures
 from .typedef import Typedef