Bug 1600283 - Remove uses of already_AddRefed. r=dom-workers-and-storage-reviewers,janv

Differential Revision: https://phabricator.services.mozilla.com/D55482

--HG--
extra : moz-landing-system : lando
This commit is contained in:
Simon Giesecke 2019-12-16 13:17:53 +00:00
parent 65bda1458a
commit f663797d53
2 changed files with 197 additions and 157 deletions

View File

@ -180,18 +180,15 @@ struct MOZ_STACK_CLASS GetAddInfoClosure final {
~GetAddInfoClosure() { MOZ_COUNT_DTOR(GetAddInfoClosure); }
};
already_AddRefed<IDBRequest> GenerateRequest(JSContext* aCx,
IDBObjectStore* aObjectStore) {
RefPtr<IDBRequest> GenerateRequest(JSContext* aCx,
IDBObjectStore* aObjectStore) {
MOZ_ASSERT(aObjectStore);
aObjectStore->AssertIsOnOwningThread();
IDBTransaction* const transaction = aObjectStore->Transaction();
RefPtr<IDBRequest> request = IDBRequest::Create(
aCx, aObjectStore, transaction->Database(), transaction);
MOZ_ASSERT(request);
return request.forget();
return IDBRequest::Create(aCx, aObjectStore, transaction->Database(),
transaction);
}
bool StructuredCloneWriteCallback(JSContext* aCx,
@ -921,14 +918,12 @@ IDBObjectStore::~IDBObjectStore() {
}
// static
already_AddRefed<IDBObjectStore> IDBObjectStore::Create(
IDBTransaction* aTransaction, const ObjectStoreSpec& aSpec) {
RefPtr<IDBObjectStore> IDBObjectStore::Create(IDBTransaction* aTransaction,
const ObjectStoreSpec& aSpec) {
MOZ_ASSERT(aTransaction);
aTransaction->AssertIsOnOwningThread();
RefPtr<IDBObjectStore> objectStore = new IDBObjectStore(aTransaction, &aSpec);
return objectStore.forget();
return new IDBObjectStore(aTransaction, &aSpec);
}
// static
@ -1488,9 +1483,11 @@ void IDBObjectStore::GetAddInfo(JSContext* aCx, ValueWrapper& aValueWrapper,
}
}
already_AddRefed<IDBRequest> IDBObjectStore::AddOrPut(
JSContext* aCx, ValueWrapper& aValueWrapper, JS::Handle<JS::Value> aKey,
bool aOverwrite, bool aFromCursor, ErrorResult& aRv) {
RefPtr<IDBRequest> IDBObjectStore::AddOrPut(JSContext* aCx,
ValueWrapper& aValueWrapper,
JS::Handle<JS::Value> aKey,
bool aOverwrite, bool aFromCursor,
ErrorResult& aRv) {
AssertIsOnOwningThread();
MOZ_ASSERT(aCx);
MOZ_ASSERT_IF(aFromCursor, aOverwrite);
@ -1655,7 +1652,7 @@ already_AddRefed<IDBRequest> IDBObjectStore::AddOrPut(
? RequestParams{ObjectStorePutParams(commonParams)}
: RequestParams{ObjectStoreAddParams(commonParams)};
RefPtr<IDBRequest> request = GenerateRequest(aCx, this);
auto request = GenerateRequest(aCx, this);
MOZ_ASSERT(request);
if (!aFromCursor) {
@ -1682,10 +1679,10 @@ already_AddRefed<IDBRequest> IDBObjectStore::AddOrPut(
mTransaction->InvalidateCursorCaches();
return request.forget();
return request;
}
already_AddRefed<IDBRequest> IDBObjectStore::GetAllInternal(
RefPtr<IDBRequest> IDBObjectStore::GetAllInternal(
bool aKeysOnly, JSContext* aCx, JS::Handle<JS::Value> aKey,
const Optional<uint32_t>& aLimit, ErrorResult& aRv) {
AssertIsOnOwningThread();
@ -1724,7 +1721,7 @@ already_AddRefed<IDBRequest> IDBObjectStore::GetAllInternal(
params = ObjectStoreGetAllParams(id, optionalKeyRange, limit);
}
RefPtr<IDBRequest> request = GenerateRequest(aCx, this);
auto request = GenerateRequest(aCx, this);
MOZ_ASSERT(request);
if (aKeysOnly) {
@ -1754,11 +1751,56 @@ already_AddRefed<IDBRequest> IDBObjectStore::GetAllInternal(
mTransaction->StartRequest(request, params);
return request.forget();
return request;
}
already_AddRefed<IDBRequest> IDBObjectStore::Clear(JSContext* aCx,
ErrorResult& aRv) {
RefPtr<IDBRequest> IDBObjectStore::Add(JSContext* aCx,
JS::Handle<JS::Value> aValue,
JS::Handle<JS::Value> aKey,
ErrorResult& aRv) {
AssertIsOnOwningThread();
ValueWrapper valueWrapper(aCx, aValue);
return AddOrPut(aCx, valueWrapper, aKey, false, /* aFromCursor */ false, aRv);
}
RefPtr<IDBRequest> IDBObjectStore::Put(JSContext* aCx,
JS::Handle<JS::Value> aValue,
JS::Handle<JS::Value> aKey,
ErrorResult& aRv) {
AssertIsOnOwningThread();
ValueWrapper valueWrapper(aCx, aValue);
return AddOrPut(aCx, valueWrapper, aKey, true, /* aFromCursor */ false, aRv);
}
RefPtr<IDBRequest> IDBObjectStore::Delete(JSContext* aCx,
JS::Handle<JS::Value> aKey,
ErrorResult& aRv) {
AssertIsOnOwningThread();
return DeleteInternal(aCx, aKey, /* aFromCursor */ false, aRv);
}
RefPtr<IDBRequest> IDBObjectStore::Get(JSContext* aCx,
JS::Handle<JS::Value> aKey,
ErrorResult& aRv) {
AssertIsOnOwningThread();
return GetInternal(/* aKeyOnly */ false, aCx, aKey, aRv);
}
RefPtr<IDBRequest> IDBObjectStore::GetKey(JSContext* aCx,
JS::Handle<JS::Value> aKey,
ErrorResult& aRv) {
AssertIsOnOwningThread();
return GetInternal(/* aKeyOnly */ true, aCx, aKey, aRv);
}
RefPtr<IDBRequest> IDBObjectStore::Clear(JSContext* aCx, ErrorResult& aRv) {
AssertIsOnOwningThread();
if (mDeletedSpec) {
@ -1778,7 +1820,7 @@ already_AddRefed<IDBRequest> IDBObjectStore::Clear(JSContext* aCx,
const ObjectStoreClearParams params = {Id()};
RefPtr<IDBRequest> request = GenerateRequest(aCx, this);
auto request = GenerateRequest(aCx, this);
MOZ_ASSERT(request);
IDB_LOG_MARK_CHILD_TRANSACTION_REQUEST(
@ -1792,13 +1834,59 @@ already_AddRefed<IDBRequest> IDBObjectStore::Clear(JSContext* aCx,
mTransaction->StartRequest(request, params);
return request.forget();
return request;
}
already_AddRefed<IDBIndex> IDBObjectStore::Index(const nsAString& aName,
RefPtr<IDBRequest> IDBObjectStore::GetAll(JSContext* aCx,
JS::Handle<JS::Value> aKey,
const Optional<uint32_t>& aLimit,
ErrorResult& aRv) {
AssertIsOnOwningThread();
return GetAllInternal(/* aKeysOnly */ false, aCx, aKey, aLimit, aRv);
}
RefPtr<IDBRequest> IDBObjectStore::GetAllKeys(JSContext* aCx,
JS::Handle<JS::Value> aKey,
const Optional<uint32_t>& aLimit,
ErrorResult& aRv) {
AssertIsOnOwningThread();
return GetAllInternal(/* aKeysOnly */ true, aCx, aKey, aLimit, aRv);
}
RefPtr<IDBRequest> IDBObjectStore::OpenCursor(JSContext* aCx,
JS::Handle<JS::Value> aRange,
IDBCursorDirection aDirection,
ErrorResult& aRv) {
AssertIsOnOwningThread();
return OpenCursorInternal(/* aKeysOnly */ false, aCx, aRange, aDirection,
aRv);
}
RefPtr<IDBRequest> IDBObjectStore::OpenCursor(JSContext* aCx,
IDBCursorDirection aDirection,
ErrorResult& aRv) {
AssertIsOnOwningThread();
return OpenCursorInternal(/* aKeysOnly */ false, aCx,
JS::UndefinedHandleValue, aDirection, aRv);
}
RefPtr<IDBRequest> IDBObjectStore::OpenKeyCursor(JSContext* aCx,
JS::Handle<JS::Value> aRange,
IDBCursorDirection aDirection,
ErrorResult& aRv) {
AssertIsOnOwningThread();
return OpenCursorInternal(/* aKeysOnly */ true, aCx, aRange, aDirection, aRv);
}
RefPtr<IDBIndex> IDBObjectStore::Index(const nsAString& aName,
ErrorResult& aRv) {
AssertIsOnOwningThread();
if (mTransaction->IsCommittingOrFinished() || mDeletedSpec) {
aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
return nullptr;
@ -1838,7 +1926,7 @@ already_AddRefed<IDBIndex> IDBObjectStore::Index(const nsAString& aName,
index = *foundIndex;
}
return index.forget();
return index;
}
NS_IMPL_CYCLE_COLLECTION_CLASS(IDBObjectStore)
@ -1908,16 +1996,16 @@ void IDBObjectStore::GetKeyPath(JSContext* aCx,
aResult.set(mCachedKeyPath);
}
already_AddRefed<DOMStringList> IDBObjectStore::IndexNames() {
RefPtr<DOMStringList> IDBObjectStore::IndexNames() {
AssertIsOnOwningThread();
return CreateSortedDOMStringList(
mSpec->indexes(), [](const auto& index) { return index.name(); });
}
already_AddRefed<IDBRequest> IDBObjectStore::GetInternal(
bool aKeyOnly, JSContext* aCx, JS::Handle<JS::Value> aKey,
ErrorResult& aRv) {
RefPtr<IDBRequest> IDBObjectStore::GetInternal(bool aKeyOnly, JSContext* aCx,
JS::Handle<JS::Value> aKey,
ErrorResult& aRv) {
AssertIsOnOwningThread();
if (mDeletedSpec) {
@ -1951,7 +2039,7 @@ already_AddRefed<IDBRequest> IDBObjectStore::GetInternal(
aKeyOnly ? RequestParams{ObjectStoreGetKeyParams(id, serializedKeyRange)}
: RequestParams{ObjectStoreGetParams(id, serializedKeyRange)};
RefPtr<IDBRequest> request = GenerateRequest(aCx, this);
auto request = GenerateRequest(aCx, this);
MOZ_ASSERT(request);
IDB_LOG_MARK_CHILD_TRANSACTION_REQUEST(
@ -1969,12 +2057,13 @@ already_AddRefed<IDBRequest> IDBObjectStore::GetInternal(
mTransaction->StartRequest(request, params);
return request.forget();
return request;
}
already_AddRefed<IDBRequest> IDBObjectStore::DeleteInternal(
JSContext* aCx, JS::Handle<JS::Value> aKey, bool aFromCursor,
ErrorResult& aRv) {
RefPtr<IDBRequest> IDBObjectStore::DeleteInternal(JSContext* aCx,
JS::Handle<JS::Value> aKey,
bool aFromCursor,
ErrorResult& aRv) {
AssertIsOnOwningThread();
if (mDeletedSpec) {
@ -2008,7 +2097,7 @@ already_AddRefed<IDBRequest> IDBObjectStore::DeleteInternal(
params.objectStoreId() = Id();
keyRange->ToSerialized(params.keyRange());
RefPtr<IDBRequest> request = GenerateRequest(aCx, this);
auto request = GenerateRequest(aCx, this);
MOZ_ASSERT(request);
if (!aFromCursor) {
@ -2025,10 +2114,10 @@ already_AddRefed<IDBRequest> IDBObjectStore::DeleteInternal(
mTransaction->InvalidateCursorCaches();
return request.forget();
return request;
}
already_AddRefed<IDBIndex> IDBObjectStore::CreateIndex(
RefPtr<IDBIndex> IDBObjectStore::CreateIndex(
const nsAString& aName, const StringOrStringSequence& aKeyPath,
const IDBIndexParameters& aOptionalParameters, ErrorResult& aRv) {
AssertIsOnOwningThread();
@ -2118,8 +2207,7 @@ already_AddRefed<IDBIndex> IDBObjectStore::CreateIndex(
transaction->CreateIndex(this, *metadata);
RefPtr<IDBIndex> index = IDBIndex::Create(this, *metadata);
MOZ_ASSERT(index);
auto index = IDBIndex::Create(this, *metadata);
mIndexes.AppendElement(index);
@ -2134,7 +2222,7 @@ already_AddRefed<IDBIndex> IDBObjectStore::CreateIndex(
IDB_LOG_STRINGIFY(mTransaction), IDB_LOG_STRINGIFY(this),
IDB_LOG_STRINGIFY(index));
return index.forget();
return index;
}
void IDBObjectStore::DeleteIndex(const nsAString& aName, ErrorResult& aRv) {
@ -2204,9 +2292,9 @@ void IDBObjectStore::DeleteIndex(const nsAString& aName, ErrorResult& aRv) {
transaction->DeleteIndex(this, foundId);
}
already_AddRefed<IDBRequest> IDBObjectStore::Count(JSContext* aCx,
JS::Handle<JS::Value> aKey,
ErrorResult& aRv) {
RefPtr<IDBRequest> IDBObjectStore::Count(JSContext* aCx,
JS::Handle<JS::Value> aKey,
ErrorResult& aRv) {
AssertIsOnOwningThread();
if (mDeletedSpec) {
@ -2234,7 +2322,7 @@ already_AddRefed<IDBRequest> IDBObjectStore::Count(JSContext* aCx,
params.optionalKeyRange().emplace(serializedKeyRange);
}
RefPtr<IDBRequest> request = GenerateRequest(aCx, this);
auto request = GenerateRequest(aCx, this);
MOZ_ASSERT(request);
IDB_LOG_MARK_CHILD_TRANSACTION_REQUEST(
@ -2252,10 +2340,10 @@ already_AddRefed<IDBRequest> IDBObjectStore::Count(JSContext* aCx,
mTransaction->StartRequest(request, params);
return request.forget();
return request;
}
already_AddRefed<IDBRequest> IDBObjectStore::OpenCursorInternal(
RefPtr<IDBRequest> IDBObjectStore::OpenCursorInternal(
bool aKeysOnly, JSContext* aCx, JS::Handle<JS::Value> aRange,
IDBCursorDirection aDirection, ErrorResult& aRv) {
AssertIsOnOwningThread();
@ -2300,7 +2388,7 @@ already_AddRefed<IDBRequest> IDBObjectStore::OpenCursorInternal(
aKeysOnly ? OpenCursorParams{ObjectStoreOpenKeyCursorParams{commonParams}}
: OpenCursorParams{ObjectStoreOpenCursorParams{commonParams}};
RefPtr<IDBRequest> request = GenerateRequest(aCx, this);
auto request = GenerateRequest(aCx, this);
MOZ_ASSERT(request);
if (aKeysOnly) {
@ -2333,7 +2421,7 @@ already_AddRefed<IDBRequest> IDBObjectStore::OpenCursorInternal(
mTransaction->OpenCursor(actor, params);
return request.forget();
return request;
}
void IDBObjectStore::RefreshSpec(bool aMayDelete) {

View File

@ -93,8 +93,8 @@ class IDBObjectStore final : public nsISupports, public nsWrapperCache {
bool Clone(JSContext* aCx);
};
static already_AddRefed<IDBObjectStore> Create(IDBTransaction* aTransaction,
const ObjectStoreSpec& aSpec);
static MOZ_MUST_USE RefPtr<IDBObjectStore> Create(
IDBTransaction* aTransaction, const ObjectStoreSpec& aSpec);
static void AppendIndexUpdateInfo(int64_t aIndexID, const KeyPath& aKeyPath,
bool aMultiEntry, const nsCString& aLocale,
@ -153,7 +153,7 @@ class IDBObjectStore final : public nsISupports, public nsWrapperCache {
void GetKeyPath(JSContext* aCx, JS::MutableHandle<JS::Value> aResult,
ErrorResult& aRv);
already_AddRefed<DOMStringList> IndexNames();
MOZ_MUST_USE RefPtr<DOMStringList> IndexNames();
IDBTransaction* Transaction() const {
AssertIsOnOwningThread();
@ -161,110 +161,65 @@ class IDBObjectStore final : public nsISupports, public nsWrapperCache {
return mTransaction;
}
already_AddRefed<IDBRequest> Add(JSContext* aCx, JS::Handle<JS::Value> aValue,
JS::Handle<JS::Value> aKey,
ErrorResult& aRv) {
AssertIsOnOwningThread();
ValueWrapper valueWrapper(aCx, aValue);
return AddOrPut(aCx, valueWrapper, aKey, false, /* aFromCursor */ false,
aRv);
}
already_AddRefed<IDBRequest> Put(JSContext* aCx, JS::Handle<JS::Value> aValue,
JS::Handle<JS::Value> aKey,
ErrorResult& aRv) {
AssertIsOnOwningThread();
ValueWrapper valueWrapper(aCx, aValue);
return AddOrPut(aCx, valueWrapper, aKey, true, /* aFromCursor */ false,
aRv);
}
already_AddRefed<IDBRequest> Delete(JSContext* aCx,
MOZ_MUST_USE RefPtr<IDBRequest> Add(JSContext* aCx,
JS::Handle<JS::Value> aValue,
JS::Handle<JS::Value> aKey,
ErrorResult& aRv) {
AssertIsOnOwningThread();
ErrorResult& aRv);
return DeleteInternal(aCx, aKey, /* aFromCursor */ false, aRv);
}
already_AddRefed<IDBRequest> Get(JSContext* aCx, JS::Handle<JS::Value> aKey,
ErrorResult& aRv) {
AssertIsOnOwningThread();
return GetInternal(/* aKeyOnly */ false, aCx, aKey, aRv);
}
already_AddRefed<IDBRequest> GetKey(JSContext* aCx,
MOZ_MUST_USE RefPtr<IDBRequest> Put(JSContext* aCx,
JS::Handle<JS::Value> aValue,
JS::Handle<JS::Value> aKey,
ErrorResult& aRv) {
AssertIsOnOwningThread();
ErrorResult& aRv);
return GetInternal(/* aKeyOnly */ true, aCx, aKey, aRv);
}
MOZ_MUST_USE RefPtr<IDBRequest> Delete(JSContext* aCx,
JS::Handle<JS::Value> aKey,
ErrorResult& aRv);
already_AddRefed<IDBRequest> Clear(JSContext* aCx, ErrorResult& aRv);
MOZ_MUST_USE RefPtr<IDBRequest> Get(JSContext* aCx,
JS::Handle<JS::Value> aKey,
ErrorResult& aRv);
already_AddRefed<IDBIndex> CreateIndex(
MOZ_MUST_USE RefPtr<IDBRequest> GetKey(JSContext* aCx,
JS::Handle<JS::Value> aKey,
ErrorResult& aRv);
MOZ_MUST_USE RefPtr<IDBRequest> Clear(JSContext* aCx, ErrorResult& aRv);
MOZ_MUST_USE RefPtr<IDBIndex> CreateIndex(
const nsAString& aName, const StringOrStringSequence& aKeyPath,
const IDBIndexParameters& aOptionalParameters, ErrorResult& aRv);
already_AddRefed<IDBIndex> Index(const nsAString& aName, ErrorResult& aRv);
MOZ_MUST_USE RefPtr<IDBIndex> Index(const nsAString& aName, ErrorResult& aRv);
void DeleteIndex(const nsAString& aName, ErrorResult& aRv);
already_AddRefed<IDBRequest> Count(JSContext* aCx, JS::Handle<JS::Value> aKey,
ErrorResult& aRv);
MOZ_MUST_USE RefPtr<IDBRequest> Count(JSContext* aCx,
JS::Handle<JS::Value> aKey,
ErrorResult& aRv);
already_AddRefed<IDBRequest> GetAll(JSContext* aCx,
JS::Handle<JS::Value> aKey,
const Optional<uint32_t>& aLimit,
ErrorResult& aRv) {
AssertIsOnOwningThread();
MOZ_MUST_USE RefPtr<IDBRequest> GetAll(JSContext* aCx,
JS::Handle<JS::Value> aKey,
const Optional<uint32_t>& aLimit,
ErrorResult& aRv);
return GetAllInternal(/* aKeysOnly */ false, aCx, aKey, aLimit, aRv);
}
MOZ_MUST_USE RefPtr<IDBRequest> GetAllKeys(JSContext* aCx,
JS::Handle<JS::Value> aKey,
const Optional<uint32_t>& aLimit,
ErrorResult& aRv);
already_AddRefed<IDBRequest> GetAllKeys(JSContext* aCx,
JS::Handle<JS::Value> aKey,
const Optional<uint32_t>& aLimit,
ErrorResult& aRv) {
AssertIsOnOwningThread();
return GetAllInternal(/* aKeysOnly */ true, aCx, aKey, aLimit, aRv);
}
already_AddRefed<IDBRequest> OpenCursor(JSContext* aCx,
JS::Handle<JS::Value> aRange,
IDBCursorDirection aDirection,
ErrorResult& aRv) {
AssertIsOnOwningThread();
return OpenCursorInternal(/* aKeysOnly */ false, aCx, aRange, aDirection,
aRv);
}
already_AddRefed<IDBRequest> OpenCursor(JSContext* aCx,
IDBCursorDirection aDirection,
ErrorResult& aRv) {
AssertIsOnOwningThread();
return OpenCursorInternal(/* aKeysOnly */ false, aCx,
JS::UndefinedHandleValue, aDirection, aRv);
}
already_AddRefed<IDBRequest> OpenKeyCursor(JSContext* aCx,
MOZ_MUST_USE RefPtr<IDBRequest> OpenCursor(JSContext* aCx,
JS::Handle<JS::Value> aRange,
IDBCursorDirection aDirection,
ErrorResult& aRv) {
AssertIsOnOwningThread();
ErrorResult& aRv);
return OpenCursorInternal(/* aKeysOnly */ true, aCx, aRange, aDirection,
aRv);
}
MOZ_MUST_USE RefPtr<IDBRequest> OpenCursor(JSContext* aCx,
IDBCursorDirection aDirection,
ErrorResult& aRv);
MOZ_MUST_USE RefPtr<IDBRequest> OpenKeyCursor(JSContext* aCx,
JS::Handle<JS::Value> aRange,
IDBCursorDirection aDirection,
ErrorResult& aRv);
void RefreshSpec(bool aMayDelete);
@ -296,31 +251,28 @@ class IDBObjectStore final : public nsISupports, public nsWrapperCache {
nsTArray<IndexUpdateInfo>& aUpdateInfoArray,
ErrorResult& aRv);
already_AddRefed<IDBRequest> AddOrPut(JSContext* aCx,
ValueWrapper& aValueWrapper,
JS::Handle<JS::Value> aKey,
bool aOverwrite, bool aFromCursor,
ErrorResult& aRv);
already_AddRefed<IDBRequest> DeleteInternal(JSContext* aCx,
JS::Handle<JS::Value> aKey,
bool aFromCursor,
ErrorResult& aRv);
already_AddRefed<IDBRequest> GetInternal(bool aKeyOnly, JSContext* aCx,
MOZ_MUST_USE RefPtr<IDBRequest> AddOrPut(JSContext* aCx,
ValueWrapper& aValueWrapper,
JS::Handle<JS::Value> aKey,
bool aOverwrite, bool aFromCursor,
ErrorResult& aRv);
already_AddRefed<IDBRequest> GetAllInternal(bool aKeysOnly, JSContext* aCx,
MOZ_MUST_USE RefPtr<IDBRequest> DeleteInternal(JSContext* aCx,
JS::Handle<JS::Value> aKey,
bool aFromCursor,
ErrorResult& aRv);
MOZ_MUST_USE RefPtr<IDBRequest> GetInternal(bool aKeyOnly, JSContext* aCx,
JS::Handle<JS::Value> aKey,
const Optional<uint32_t>& aLimit,
ErrorResult& aRv);
already_AddRefed<IDBRequest> OpenCursorInternal(bool aKeysOnly,
JSContext* aCx,
JS::Handle<JS::Value> aRange,
IDBCursorDirection aDirection,
ErrorResult& aRv);
MOZ_MUST_USE RefPtr<IDBRequest> GetAllInternal(
bool aKeysOnly, JSContext* aCx, JS::Handle<JS::Value> aKey,
const Optional<uint32_t>& aLimit, ErrorResult& aRv);
MOZ_MUST_USE RefPtr<IDBRequest> OpenCursorInternal(
bool aKeysOnly, JSContext* aCx, JS::Handle<JS::Value> aRange,
IDBCursorDirection aDirection, ErrorResult& aRv);
};
} // namespace dom