nsresult DeleteFilesRunnable::Open() { AssertIsOnBackgroundThread(); MOZ_ASSERT(mState == State_Initial); QuotaManager* quotaManager = QuotaManager::Get(); if (NS_WARN_IF(!quotaManager)) { return NS_ERROR_FAILURE; } mState = State_DirectoryOpenPending; quotaManager->OpenDirectory(mFileManager->Type(), mFileManager->Group(), mFileManager->Origin(), mFileManager->IsApp(), Client::IDB, /* aExclusive */ false, this); return NS_OK; }