Revert "Introduce QuicTransport"

This reverts commit 93e10d47.

Reason for revert: Speculative revert for a crash issue

Original change's description:
> Introduce QuicTransport
> 
> This is the first CL to implement QuicTransport. This CL
>  - creates a directory in blink,
>  - introduces a new blink runtime feature flag, and
>  - defines QuicTransport IDL interface behind the flag,
> 
> Bug: 1011392
> Change-Id: Id432cee2b6d5df6ab4a4c3e8aa6828d5a7937dd9
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1868569
> Reviewed-by: Kinuko Yasuda <kinuko@chromium.org>
> Reviewed-by: Kent Tamura <tkent@chromium.org>
> Reviewed-by: Adam Rice <ricea@chromium.org>
> Commit-Queue: Yutaka Hirano <yhirano@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#707303}

TBR=kinuko@chromium.org,ricea@chromium.org,yhirano@chromium.org,tkent@chromium.org

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: 1011392, 1016436
Change-Id: I46bfb3eca2a798d5c17d9ce1b36e3ee07c333024
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1875895Reviewed-by: Yutaka Hirano <yhirano@chromium.org>
Reviewed-by: Adam Rice <ricea@chromium.org>
Reviewed-by: Kent Tamura <tkent@chromium.org>
Reviewed-by: Kinuko Yasuda <kinuko@chromium.org>
Commit-Queue: Yutaka Hirano <yhirano@chromium.org>
Cr-Commit-Position: refs/heads/master@{#708921}

third_party/blink/renderer/modules/BUILD.gn

@@ -149,7 +149,6 @@ jumbo_component("modules") {
     "//third_party/blink/renderer/modules/webmidi",
     "//third_party/blink/renderer/modules/webshare",
     "//third_party/blink/renderer/modules/websockets",
-    "//third_party/blink/renderer/modules/webtransport",
     "//third_party/blink/renderer/modules/webusb",
     "//third_party/blink/renderer/modules/worklet",
     "//third_party/blink/renderer/modules/xr",
@@ -458,7 +457,6 @@ jumbo_source_set("unit_tests") {
     "//third_party/blink/renderer/modules/gamepad:unit_tests",
     "//third_party/blink/renderer/modules/hid:unit_tests",
     "//third_party/blink/renderer/modules/storage:unit_tests",
-    "//third_party/blink/renderer/modules/webtransport:unit_tests",
     "//third_party/blink/renderer/platform",
     "//third_party/blink/renderer/platform/wtf",
     "//third_party/opus",

third_party/blink/renderer/modules/modules_idl_files.gni

@@ -490,7 +490,6 @@ modules_idl_files =
           "websockets/close_event.idl",
           "websockets/websocket.idl",
           "websockets/websocket_stream.idl",
-          "webtransport/quic_transport.idl",
           "webusb/usb.idl",
           "webusb/usb_alternate_interface.idl",
           "webusb/usb_configuration.idl",

third_party/blink/renderer/modules/webtransport/BUILD.gn

-# 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.
-
-import("//third_party/blink/renderer/modules/modules.gni")
-
-blink_modules_sources("webtransport") {
-  sources = [
-    "quic_transport.cc",
-    "quic_transport.h",
-  ]
-}
-
-jumbo_source_set("unit_tests") {
-  testonly = true
-  sources = []
-
-  configs += [
-    "//third_party/blink/renderer:config",
-    "//third_party/blink/renderer:inside_blink",
-    "//third_party/blink/renderer/core:blink_core_pch",
-  ]
-
-  deps = [
-    "//testing/gmock",
-    "//testing/gtest",
-    "//third_party/blink/renderer/modules",
-    "//third_party/blink/renderer/platform",
-    "//third_party/blink/renderer/platform/wtf",
-  ]
-}

third_party/blink/renderer/modules/webtransport/OWNERS

-ricea@chromium.org
-yhirano@chromium.org
-
-# TEAM: blink-network-dev@chromium.org
-# COMPONENT: Blink>Network>WebTransport

third_party/blink/renderer/modules/webtransport/README.md

-# WebTransport API
-
-This is a directory for [Web Transport](https://wicg.github.io/web-transport/)
-implementation.
-
-## Design docs
-
- - [QuicTransport](https://docs.google.com/document/d/1UgviRBnZkMUq4OKcsAJvIQFX6UCXeCbOtX_wMgwD_es/edit)

third_party/blink/renderer/modules/webtransport/quic_transport.cc

-// 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.
-
-#include "third_party/blink/renderer/modules/webtransport/quic_transport.h"
-
-namespace blink {
-
-QuicTransport::QuicTransport(ScriptState* script_state, const String& url) {}
-
-void QuicTransport::Dispose() {}
-
-}  // namespace blink

third_party/blink/renderer/modules/webtransport/quic_transport.h

-// 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.
-
-#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_WEBTRANSPORT_QUIC_TRANSPORT_H_
-#define THIRD_PARTY_BLINK_RENDERER_MODULES_WEBTRANSPORT_QUIC_TRANSPORT_H_
-
-#include "third_party/blink/renderer/modules/modules_export.h"
-#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
-#include "third_party/blink/renderer/platform/wtf/forward.h"
-
-namespace blink {
-
-class ScriptState;
-
-class MODULES_EXPORT QuicTransport final : public ScriptWrappable {
-  DEFINE_WRAPPERTYPEINFO();
-  USING_PRE_FINALIZER(QuicTransport, Dispose);
-
- public:
-  static QuicTransport* Create(ScriptState* script_state, const String& url) {
-    return MakeGarbageCollected<QuicTransport>(script_state, url);
-  }
-
-  QuicTransport(ScriptState*, const String& url);
-  ~QuicTransport() override = default;
-
- private:
-  void Dispose();
-};
-
-}  // namespace blink
-
-#endif

third_party/blink/renderer/modules/webtransport/quic_transport.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.
-
-// https://wicg.github.io/web-transport/#quic-transport
-[
-    Constructor(USVString url),
-    Exposed=(Window, Worker),
-    RuntimeEnabled=QuicTransport,
-    ConstructorCallWith=ScriptState
-] interface QuicTransport {
-  // QuicTransport is the first, and at this moment only, transport which is
-  // implemented. In the (draft) spec there are many mix-in interfaces which
-  // QuicTransport includes, but we define all their methods/attributes here
-  // for simplicity.
-};

third_party/blink/renderer/platform/runtime_enabled_features.json5

@@ -1325,10 +1325,6 @@
       name: "PushMessagingSubscriptionChange",
       status: "experimental",
     },
-    {
-      name: "QuicTransport",
-      status: "experimental",
-    },
     {
       name: "ReducedReferrerGranularity",
     },

third_party/blink/web_tests/http/tests/serviceworker/webexposed/global-interface-listing-service-worker-expected.txt

@@ -1219,9 +1219,6 @@ interface PushSubscriptionOptions
     getter applicationServerKey
     getter userVisibleOnly
     method constructor
-interface QuicTransport
-    attribute @@toStringTag
-    method constructor
 interface ReadableStream
     attribute @@toStringTag
     getter locked

third_party/blink/web_tests/webexposed/global-interface-listing-dedicated-worker-expected.txt

@@ -1154,9 +1154,6 @@ Starting worker: resources/global-interface-listing-worker.js
 [Worker]     getter applicationServerKey
 [Worker]     getter userVisibleOnly
 [Worker]     method constructor
-[Worker] interface QuicTransport
-[Worker]     attribute @@toStringTag
-[Worker]     method constructor
 [Worker] interface ReadableStream
 [Worker]     attribute @@toStringTag
 [Worker]     getter locked

third_party/blink/web_tests/webexposed/global-interface-listing-expected.txt

@@ -5955,9 +5955,6 @@ interface PushSubscriptionOptions
     getter applicationServerKey
     getter userVisibleOnly
     method constructor
-interface QuicTransport
-    attribute @@toStringTag
-    method constructor
 interface RTCCertificate
     attribute @@toStringTag
     getter expires

third_party/blink/web_tests/webexposed/global-interface-listing-shared-worker-expected.txt

@@ -1136,9 +1136,6 @@ Starting worker: resources/global-interface-listing-worker.js
 [Worker]     getter applicationServerKey
 [Worker]     getter userVisibleOnly
 [Worker]     method constructor
-[Worker] interface QuicTransport
-[Worker]     attribute @@toStringTag
-[Worker]     method constructor
 [Worker] interface ReadableStream
 [Worker]     attribute @@toStringTag
 [Worker]     getter locked