bind-gen: Remove migration_adapter.idl

Removes migration_adapter.idl because the new IDL interface's
implementation landed.

Bug: 839389
Change-Id: I4d5096428459fbb902bbe97b70328194356b3fa1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2521971Reviewed-by: Kentaro Hara <haraken@chromium.org>
Reviewed-by: Hitoshi Yoshida <peria@chromium.org>
Commit-Queue: Yuki Shiino <yukishiino@chromium.org>
Cr-Commit-Position: refs/heads/master@{#824752}

third_party/blink/renderer/bindings/BUILD.gn

@@ -99,10 +99,6 @@ collect_idl_files("web_idl_in_core") {
 
   inputs = static_idl_files_in_core
 
-  # Supplemental IDL definitions to support the migration from the old bindings
-  # generator to the new one.
-  inputs += [ "${bindings_scripts_dir}/web_idl/migration_adapter.idl" ]
-
   output = "${bindings_output_dir}/web_idl_in_core.pickle"
 }
 

third_party/blink/renderer/bindings/scripts/web_idl/migration_adapter.idl

-// Copyright 2019 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-
-// This file makes it easier and more smooth to migrate from the old bindings
-// generator to the new one filling their gap.  Once the migration gets done
-// and the *.idl files get updated to be spec conformant, almost all (if not
-// really all) the followings will be gone.
-
-typedef EventHandlerNonNull? EventHandler;
-
-// https://html.spec.whatwg.org/C/#onerroreventhandler
-[LegacyTreatNonObjectAsNull]
-callback OnErrorEventHandlerNonNull = any ((Event or DOMString) event, optional DOMString source, optional unsigned long lineno, optional unsigned long colno, optional any error);
-typedef OnErrorEventHandlerNonNull? OnErrorEventHandler;
-
-// https://html.spec.whatwg.org/C/#onbeforeunloadeventhandler
-[LegacyTreatNonObjectAsNull]
-callback OnBeforeUnloadEventHandlerNonNull = DOMString? (Event event);
-typedef OnBeforeUnloadEventHandlerNonNull? OnBeforeUnloadEventHandler;
-
-typedef DOMMatrix DOMMatrixConstructor;
-typedef MediaStream MediaStreamConstructor;
-typedef MutationObserver MutationObserverConstructor;
-typedef RTCPeerConnection RTCPeerConnectionConstructor;
-typedef SpeechGrammar SpeechGrammarConstructor;
-typedef SpeechGrammarList SpeechGrammarListConstructor;
-typedef SpeechRecognition SpeechRecognitionConstructor;
-typedef SpeechRecognitionErrorEvent SpeechRecognitionErrorEventConstructor;
-typedef SpeechRecognitionEvent SpeechRecognitionEventConstructor;
-typedef URL URLConstructor;

third_party/blink/renderer/core/html/event_handler.idl

@@ -9,3 +9,14 @@
 // regular EventHandler.
 [LegacyTreatNonObjectAsNull]
 callback EventHandlerNonNull = any (any... args);
+typedef EventHandlerNonNull? EventHandler;
+
+// https://html.spec.whatwg.org/C/#onerroreventhandler
+[LegacyTreatNonObjectAsNull]
+callback OnErrorEventHandlerNonNull = any ((Event or DOMString) event, optional DOMString source, optional unsigned long lineno, optional unsigned long colno, optional any error);
+typedef OnErrorEventHandlerNonNull? OnErrorEventHandler;
+
+// https://html.spec.whatwg.org/C/#onbeforeunloadeventhandler
+[LegacyTreatNonObjectAsNull]
+callback OnBeforeUnloadEventHandlerNonNull = DOMString? (Event event);
+typedef OnBeforeUnloadEventHandlerNonNull? OnBeforeUnloadEventHandler;