get rid of deprecated Throwables.propagateIfInstanceOf

platform/lang-impl/src/com/intellij/util/download/impl/FileDownloaderImpl.java

@@ -1,21 +1,6 @@
-/*
- * Copyright 2000-2016 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
+// Copyright 2000-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 package com.intellij.util.download.impl;
 
-import com.google.common.base.Throwables;
 import com.google.common.util.concurrent.AtomicDouble;
 import com.intellij.concurrency.SensitiveProgressWrapper;
 import com.intellij.ide.IdeBundle;
@@ -214,8 +199,12 @@ public class FileDownloaderImpl implements FileDownloader {
           throw new ProcessCanceledException();
         }
         catch (ExecutionException e) {
-          Throwables.propagateIfInstanceOf(e.getCause(), IOException.class);
-          Throwables.propagateIfInstanceOf(e.getCause(), ProcessCanceledException.class);
+          if (e.getCause() instanceof IOException) {
+            throw ((IOException)e.getCause());
+          }
+          if (e.getCause() instanceof ProcessCanceledException) {
+            throw ((ProcessCanceledException)e.getCause());
+          }
           LOG.error(e);
         }
       }