Reland "[Background Fetch] Delete the unused FetchedEvent files."

This is a reland of f7206154

Original change's description:
> [Background Fetch] Delete the unused FetchedEvent files.
> 
> TBR=jbroman@chromium.org
> 
> Bug: 822765
> Change-Id: I03fa9efc6fa80814f252593a0582ff25b633580b
> Reviewed-on: https://chromium-review.googlesource.com/1142154
> Commit-Queue: Rayan Kanso <rayankans@chromium.org>
> Reviewed-by: Mugdha Lakhani <nator@chromium.org>
> Reviewed-by: Peter Beverloo <peter@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#577271}

Bug: 822765
Change-Id: I1e8e31569874b6be9de954cc15ac01f6b134017d
Reviewed-on: https://chromium-review.googlesource.com/1148260
Commit-Queue: Rayan Kanso <rayankans@chromium.org>
Commit-Queue: Peter Beverloo <peter@chromium.org>
Reviewed-by: Peter Beverloo <peter@chromium.org>
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Cr-Commit-Position: refs/heads/master@{#577486}

third_party/WebKit/LayoutTests/http/tests/serviceworker/webexposed/global-interface-listing-service-worker-expected.txt

@@ -64,11 +64,6 @@ interface BackgroundFetchUpdateEvent : BackgroundFetchSettledEvent
     attribute @@toStringTag
     method constructor
     method updateUI
-interface BackgroundFetchedEvent : BackgroundFetchEvent
-    attribute @@toStringTag
-    getter fetches
-    method constructor
-    method updateUI
 interface BarcodeDetector
     attribute @@toStringTag
     method constructor

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

@@ -22,7 +22,6 @@ generate_event_interfaces("modules_bindings_generated_event_interfaces") {
     "//third_party/blink/renderer/modules/background_fetch/background_fetch_click_event.idl",
     "//third_party/blink/renderer/modules/background_fetch/background_fetch_event.idl",
     "//third_party/blink/renderer/modules/background_fetch/background_fetch_fail_event.idl",
-    "//third_party/blink/renderer/modules/background_fetch/background_fetched_event.idl",
     "//third_party/blink/renderer/modules/background_sync/sync_event.idl",
     "//third_party/blink/renderer/modules/cookie_store/cookie_change_event.idl",
     "//third_party/blink/renderer/modules/cookie_store/extendable_cookie_change_event.idl",

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

@@ -32,8 +32,6 @@ blink_modules_sources("background_fetch") {
     "background_fetch_type_converters.h",
     "background_fetch_update_event.cc",
     "background_fetch_update_event.h",
-    "background_fetched_event.cc",
-    "background_fetched_event.h",
     "service_worker_global_scope_background_fetch.h",
     "service_worker_registration_background_fetch.cc",
     "service_worker_registration_background_fetch.h",

third_party/blink/renderer/modules/background_fetch/background_fetch_update_event.cc

@@ -11,7 +11,6 @@
 #include "third_party/blink/renderer/core/fetch/response.h"
 #include "third_party/blink/renderer/modules/background_fetch/background_fetch_bridge.h"
 #include "third_party/blink/renderer/modules/background_fetch/background_fetch_settled_fetch.h"
-#include "third_party/blink/renderer/modules/background_fetch/background_fetched_event_init.h"
 #include "third_party/blink/renderer/modules/event_modules_names.h"
 #include "third_party/blink/renderer/platform/bindings/script_state.h"
 

third_party/blink/renderer/modules/background_fetch/background_fetched_event.cc

-// Copyright 2017 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/background_fetch/background_fetched_event.h"
-
-#include "third_party/blink/public/platform/modules/background_fetch/web_background_fetch_settled_fetch.h"
-#include "third_party/blink/renderer/bindings/core/v8/script_promise_resolver.h"
-#include "third_party/blink/renderer/core/dom/dom_exception.h"
-#include "third_party/blink/renderer/core/fetch/request.h"
-#include "third_party/blink/renderer/core/fetch/response.h"
-#include "third_party/blink/renderer/modules/background_fetch/background_fetch_bridge.h"
-#include "third_party/blink/renderer/modules/background_fetch/background_fetch_settled_fetch.h"
-#include "third_party/blink/renderer/modules/background_fetch/background_fetched_event_init.h"
-#include "third_party/blink/renderer/modules/event_modules_names.h"
-#include "third_party/blink/renderer/platform/bindings/script_state.h"
-
-namespace blink {
-
-BackgroundFetchedEvent::BackgroundFetchedEvent(
-    const AtomicString& type,
-    const BackgroundFetchedEventInit& initializer)
-    : BackgroundFetchEvent(type, initializer, nullptr /* observer */),
-      fetches_(initializer.fetches()) {}
-
-BackgroundFetchedEvent::BackgroundFetchedEvent(
-    const AtomicString& type,
-    const BackgroundFetchedEventInit& initializer,
-    const String& unique_id,
-    const WebVector<WebBackgroundFetchSettledFetch>& fetches,
-    ScriptState* script_state,
-    WaitUntilObserver* observer,
-    ServiceWorkerRegistration* registration)
-    : BackgroundFetchEvent(type, initializer, observer),
-      unique_id_(unique_id),
-      registration_(registration) {
-  fetches_.ReserveInitialCapacity(fetches.size());
-  for (const WebBackgroundFetchSettledFetch& fetch : fetches) {
-    auto* settled_fetch = BackgroundFetchSettledFetch::Create(
-        Request::Create(script_state, fetch.request),
-        Response::Create(script_state, fetch.response));
-
-    fetches_.push_back(settled_fetch);
-  }
-}
-
-BackgroundFetchedEvent::~BackgroundFetchedEvent() = default;
-
-HeapVector<Member<BackgroundFetchSettledFetch>>
-BackgroundFetchedEvent::fetches() const {
-  return fetches_;
-}
-
-ScriptPromise BackgroundFetchedEvent::updateUI(ScriptState* script_state,
-                                               const String& title) {
-  if (!registration_) {
-    // Return a Promise that will never settle when a developer calls this
-    // method on a BackgroundFetchedEvent instance they created themselves.
-    return ScriptPromise();
-  }
-  DCHECK(!unique_id_.IsEmpty());
-
-  ScriptPromiseResolver* resolver = ScriptPromiseResolver::Create(script_state);
-  ScriptPromise promise = resolver->Promise();
-
-  BackgroundFetchBridge::From(registration_)
-      ->UpdateUI(id(), unique_id_, title,
-                 WTF::Bind(&BackgroundFetchedEvent::DidUpdateUI,
-                           WrapPersistent(this), WrapPersistent(resolver)));
-
-  return promise;
-}
-
-void BackgroundFetchedEvent::DidUpdateUI(
-    ScriptPromiseResolver* resolver,
-    mojom::blink::BackgroundFetchError error) {
-  switch (error) {
-    case mojom::blink::BackgroundFetchError::NONE:
-    case mojom::blink::BackgroundFetchError::INVALID_ID:
-      resolver->Resolve();
-      return;
-    case mojom::blink::BackgroundFetchError::STORAGE_ERROR:
-      resolver->Reject(
-          DOMException::Create(DOMExceptionCode::kAbortError,
-                               "Failed to update UI due to I/O error."));
-      return;
-    case mojom::blink::BackgroundFetchError::SERVICE_WORKER_UNAVAILABLE:
-    case mojom::blink::BackgroundFetchError::DUPLICATED_DEVELOPER_ID:
-    case mojom::blink::BackgroundFetchError::INVALID_ARGUMENT:
-      // Not applicable for this callback.
-      break;
-  }
-
-  NOTREACHED();
-}
-
-const AtomicString& BackgroundFetchedEvent::InterfaceName() const {
-  return EventNames::BackgroundFetchedEvent;
-}
-
-void BackgroundFetchedEvent::Trace(blink::Visitor* visitor) {
-  visitor->Trace(fetches_);
-  visitor->Trace(registration_);
-  BackgroundFetchEvent::Trace(visitor);
-}
-
-}  // namespace blink

third_party/blink/renderer/modules/background_fetch/background_fetched_event.h

-// Copyright 2017 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_BACKGROUND_FETCH_BACKGROUND_FETCHED_EVENT_H_
-#define THIRD_PARTY_BLINK_RENDERER_MODULES_BACKGROUND_FETCH_BACKGROUND_FETCHED_EVENT_H_
-
-#include "third_party/blink/public/platform/modules/background_fetch/background_fetch.mojom-blink.h"
-#include "third_party/blink/public/platform/web_vector.h"
-#include "third_party/blink/renderer/bindings/core/v8/script_promise.h"
-#include "third_party/blink/renderer/modules/background_fetch/background_fetch_event.h"
-#include "third_party/blink/renderer/modules/modules_export.h"
-#include "third_party/blink/renderer/platform/heap/handle.h"
-#include "third_party/blink/renderer/platform/wtf/text/atomic_string.h"
-
-namespace blink {
-
-class BackgroundFetchSettledFetch;
-class BackgroundFetchedEventInit;
-class ScriptPromiseResolver;
-class ScriptState;
-class ServiceWorkerRegistration;
-struct WebBackgroundFetchSettledFetch;
-
-class MODULES_EXPORT BackgroundFetchedEvent final
-    : public BackgroundFetchEvent {
-  DEFINE_WRAPPERTYPEINFO();
-
- public:
-  static BackgroundFetchedEvent* Create(
-      const AtomicString& type,
-      const BackgroundFetchedEventInit& initializer) {
-    return new BackgroundFetchedEvent(type, initializer);
-  }
-
-  static BackgroundFetchedEvent* Create(
-      const AtomicString& type,
-      const BackgroundFetchedEventInit& initializer,
-      const String& unique_id,
-      const WebVector<WebBackgroundFetchSettledFetch>& fetches,
-      ScriptState* script_state,
-      WaitUntilObserver* observer,
-      ServiceWorkerRegistration* registration) {
-    return new BackgroundFetchedEvent(type, initializer, unique_id, fetches,
-                                      script_state, observer, registration);
-  }
-
-  ~BackgroundFetchedEvent() override;
-
-  // Web Exposed attribute defined in the IDL file.
-  HeapVector<Member<BackgroundFetchSettledFetch>> fetches() const;
-
-  // Web Exposed method defined in the IDL file.
-  ScriptPromise updateUI(ScriptState* script_state, const String& title);
-
-  // ExtendableEvent interface.
-  const AtomicString& InterfaceName() const override;
-
-  void Trace(blink::Visitor* visitor) override;
-
- private:
-  BackgroundFetchedEvent(const AtomicString& type,
-                         const BackgroundFetchedEventInit& initializer);
-  BackgroundFetchedEvent(
-      const AtomicString& type,
-      const BackgroundFetchedEventInit& initializer,
-      const String& unique_id,
-      const WebVector<WebBackgroundFetchSettledFetch>& fetches,
-      ScriptState* script_state,
-      WaitUntilObserver* observer,
-      ServiceWorkerRegistration* registration);
-
-  void DidUpdateUI(ScriptPromiseResolver* resolver,
-                   mojom::blink::BackgroundFetchError error);
-
-  // Globally unique ID for the registration, generated in content/. Used to
-  // distinguish registrations in case a developer re-uses |developer_id_|s. Not
-  // exposed to JavaScript.
-  String unique_id_;
-
-  HeapVector<Member<BackgroundFetchSettledFetch>> fetches_;
-  Member<ServiceWorkerRegistration> registration_;
-};
-
-}  // namespace blink
-
-#endif  // THIRD_PARTY_BLINK_RENDERER_MODULES_BACKGROUND_FETCH_BACKGROUND_FETCHED_EVENT_H_

third_party/blink/renderer/modules/background_fetch/background_fetched_event.idl

-// Copyright 2017 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/background-fetch/#background-fetch-end-event
-
-[
-    Constructor(DOMString type, BackgroundFetchedEventInit init),
-    Exposed=ServiceWorker,
-    RuntimeEnabled=BackgroundFetch
-] interface BackgroundFetchedEvent : BackgroundFetchEvent {
-    readonly attribute FrozenArray<BackgroundFetchSettledFetch> fetches;
-
-    [CallWith=ScriptState] Promise<void> updateUI(DOMString title);
-};

third_party/blink/renderer/modules/background_fetch/background_fetched_event_init.idl

-// Copyright 2017 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/background-fetch/#background-fetch-end-event
-
-dictionary BackgroundFetchedEventInit : BackgroundFetchEventInit {
-    required sequence<BackgroundFetchSettledFetch> fetches;
-};

third_party/blink/renderer/modules/modules_idl_files.gni

@@ -74,7 +74,6 @@ modules_idl_files =
           "background_fetch/background_fetch_settled_fetch.idl",
           "background_fetch/background_fetch_settled_fetches.idl",
           "background_fetch/background_fetch_update_event.idl",
-          "background_fetch/background_fetched_event.idl",
           "background_sync/sync_event.idl",
           "background_sync/sync_manager.idl",
           "battery/battery_manager.idl",
@@ -469,7 +468,6 @@ modules_dictionary_idl_files =
           "background_fetch/background_fetch_fail_event_init.idl",
           "background_fetch/background_fetch_options.idl",
           "background_fetch/background_fetch_settled_event_init.idl",
-          "background_fetch/background_fetched_event_init.idl",
           "background_sync/sync_event_init.idl",
           "bluetooth/bluetooth_le_scan_filter_init.idl",
           "bluetooth/request_device_options.idl",