[SanitizerAPI] The initial commit.

This CL intends to create a prototyping Sanitizer API
(https://github.com/WICG/sanitizer-api) at very beginning
level.

Change-Id: I7327a3440d544b61becd81f4c9b058ee4823ffc4
Bug: 1116418
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2346252
Commit-Queue: Yifan Luo <lyf@chromium.org>
Reviewed-by: Mike West <mkwst@chromium.org>
Reviewed-by: Daniel Vogelheim <vogelheim@chromium.org>
Reviewed-by: Yifan Luo <lyf@chromium.org>
Cr-Commit-Position: refs/heads/master@{#800191}

third_party/blink/renderer/bindings/generated_in_modules.gni

@@ -1813,6 +1813,8 @@ generated_interface_sources_in_modules = [
   "$root_gen_dir/third_party/blink/renderer/bindings/modules/v8/v8_rtc_stats_response.h",
   "$root_gen_dir/third_party/blink/renderer/bindings/modules/v8/v8_rtc_track_event.cc",
   "$root_gen_dir/third_party/blink/renderer/bindings/modules/v8/v8_rtc_track_event.h",
+  "$root_gen_dir/third_party/blink/renderer/bindings/modules/v8/v8_sanitizer.cc",
+  "$root_gen_dir/third_party/blink/renderer/bindings/modules/v8/v8_sanitizer.h",
   "$root_gen_dir/third_party/blink/renderer/bindings/modules/v8/v8_scheduler.cc",
   "$root_gen_dir/third_party/blink/renderer/bindings/modules/v8/v8_scheduler.h",
   "$root_gen_dir/third_party/blink/renderer/bindings/modules/v8/v8_screen.cc",

third_party/blink/renderer/bindings/idl_in_modules.gni

@@ -581,6 +581,7 @@ static_idl_files_in_modules = get_path_info(
           "//third_party/blink/renderer/modules/quota/worker_navigator_storage_quota.idl",
           "//third_party/blink/renderer/modules/remoteplayback/html_media_element_remote_playback.idl",
           "//third_party/blink/renderer/modules/remoteplayback/remote_playback.idl",
+          "//third_party/blink/renderer/modules/sanitizer_api/sanitizer.idl",
           "//third_party/blink/renderer/modules/scheduler/scheduler.idl",
           "//third_party/blink/renderer/modules/scheduler/scheduler_post_task_options.idl",
           "//third_party/blink/renderer/modules/scheduler/task_controller.idl",

third_party/blink/renderer/modules/BUILD.gn

@@ -137,6 +137,7 @@ component("modules") {
     "//third_party/blink/renderer/modules/push_messaging",
     "//third_party/blink/renderer/modules/quota",
     "//third_party/blink/renderer/modules/remoteplayback",
+    "//third_party/blink/renderer/modules/sanitizer_api",
     "//third_party/blink/renderer/modules/scheduler",
     "//third_party/blink/renderer/modules/screen_enumeration",
     "//third_party/blink/renderer/modules/screen_orientation",

third_party/blink/renderer/modules/modules_idl_files.gni

@@ -109,6 +109,7 @@ _idl_imports = [
   "//third_party/blink/renderer/modules/push_messaging/idls.gni",
   "//third_party/blink/renderer/modules/quota/idls.gni",
   "//third_party/blink/renderer/modules/remoteplayback/idls.gni",
+  "//third_party/blink/renderer/modules/sanitizer_api/idls.gni",
   "//third_party/blink/renderer/modules/scheduler/idls.gni",
   "//third_party/blink/renderer/modules/screen_enumeration/idls.gni",
   "//third_party/blink/renderer/modules/screen_orientation/idls.gni",

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

+# Copyright 2020 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("sanitizer_api") {
+  sources = [
+    "sanitizer.cc",
+    "sanitizer.h",
+  ]
+}

third_party/blink/renderer/modules/sanitizer_api/OWNERS

+lyf@chromium.org
+vogelheim@chromium.org
+
+# COMPONENT: Blink>SecurityFeature>SanitizerAPI

third_party/blink/renderer/modules/sanitizer_api/idls.gni

+# Copyright 2020 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.
+
+modules_idl_files = [ "sanitizer.idl" ]

third_party/blink/renderer/modules/sanitizer_api/sanitizer.cc

+// Copyright 2020 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 "sanitizer.h"
+
+#include "third_party/blink/renderer/platform/bindings/exception_state.h"
+
+namespace blink {
+
+Sanitizer* Sanitizer::Create(ExceptionState& exception_state) {
+  return MakeGarbageCollected<Sanitizer>();
+}
+
+Sanitizer::Sanitizer() = default;
+
+Sanitizer::~Sanitizer() = default;
+
+String Sanitizer::saneStringFrom(const String& input) {
+  String sanitizedString = input;
+  return sanitizedString;
+}
+
+}  // namespace blink

third_party/blink/renderer/modules/sanitizer_api/sanitizer.h

+// Copyright 2020 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_SANITIZER_API_SANITIZER_H_
+#define THIRD_PARTY_BLINK_RENDERER_MODULES_SANITIZER_API_SANITIZER_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/text/wtf_string.h"
+
+namespace blink {
+
+class ExceptionState;
+
+class MODULES_EXPORT Sanitizer final : public ScriptWrappable {
+  DEFINE_WRAPPERTYPEINFO();
+
+ public:
+  static Sanitizer* Create(ExceptionState&);
+  Sanitizer();
+  ~Sanitizer() override;
+
+  String saneStringFrom(const String&);
+};
+
+}  // namespace blink
+
+#endif  // THIRD_PARTY_BLINK_RENDERER_MODULES_SANITIZER_API_SANITIZER_H_

third_party/blink/renderer/modules/sanitizer_api/sanitizer.idl

+// Copyright 2020 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://github.com/WICG/sanitizer-api
+
+[
+  Exposed=Window,
+  RuntimeEnabled=SanitizerAPI
+] interface Sanitizer {
+  [RaisesException] constructor();
+  DOMString saneStringFrom(DOMString input);
+};

third_party/blink/renderer/platform/runtime_enabled_features.json5

@@ -1664,6 +1664,10 @@
       name: "SameSiteByDefaultCookies",
       status: "test",
     },
+    {
+      name: "SanitizerAPI",
+      status: "test",
+    },
     {
       name: "ScreenWakeLock",
       status: "stable",

third_party/blink/web_tests/external/wpt/interfaces/sanitizer-api.tentative.idl

+// https://wicg.github.io/sanitizer-api/
+
+[
+  Exposed=Window
+] interface Sanitizer {
+  [RaisesException] constructor();
+  DOMString saneStringFrom(DOMString input);
+};

third_party/blink/web_tests/external/wpt/sanitizer-api/META.yml

+spec: https://wicg.github.io/sanitizer-api/
+suggested_reviewers:
+  - ivanlish
+  - mozfreddyb
+  - otherdaniel

third_party/blink/web_tests/external/wpt/sanitizer-api/OWNERS

+# TEAM: security-dev@chromium.org
+# COMPONENT: Blink>SecurityFeature>SanitizerAPI
+# WPT-NOTIFY: true
+file://third_party/blink/renderer/modules/sanitizer_api/OWNERS

third_party/blink/web_tests/external/wpt/sanitizer-api/idlharness.tentative.window.js

+// META: script=/resources/WebIDLParser.js
+// META: script=/resources/idlharness.js
+
+idl_test(
+  ['sanitizer-api.tentative'],
+  ['html'],
+  idl_array => {
+    idl_array.add_objects({
+      Sanitizer: ['new Sanitizer()']
+    });
+  }
+);

third_party/blink/web_tests/external/wpt/sanitizer-api/sanitizer.tentative.html

+<!DOCTYPE html>
+<html>
+<head>
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="support/helper.sub.js"></script>
+</head>
+
+<body>
+<script>
+    test(t => {
+        s = new Sanitizer();
+        assert_equals("test", s.saneStringFrom("test"));
+    }, "SanitizerAPI exists!");
+</script>
+</body>
+</html>

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

@@ -7895,6 +7895,10 @@ interface SVGViewElement : SVGElement
     getter zoomAndPan
     method constructor
     setter zoomAndPan
+interface Sanitizer
+    attribute @@toStringTag
+    method constructor
+    method saneStringFrom
 interface Scheduler
     attribute @@toStringTag
     getter currentTaskSignal