8348301: Remove unused Reference.waitForReferenceProcessing break-ins in tests

Reviewed-by: alanb

Author: shipilev

test/jdk/sun/security/provider/FileInputStreamPool/FileInputStreamPoolTest.java

@@ -25,7 +25,6 @@
  * @test
  * @bug 8047769
  * @modules java.base/java.io:open
- *          java.base/java.lang.ref:open
  *          java.base/sun.security.provider:open
  * @summary SecureRandom should be more frugal with file descriptors
  */
@@ -133,11 +132,9 @@ public static void main(String[] args) throws Exception {
     /**
      * A proxy for (package)private static methods:
      *   sun.security.provider.FileInputStreamPool.getInputStream
-     *   java.lang.ref.Reference.waitForReferenceProcessing
      */
     static class TestProxy {
         private static final Method getInputStreamMethod;
-        private static final Method waitForReferenceProcessingMethod;
         private static final Field inField;
 
         static {
@@ -149,10 +146,6 @@ static class TestProxy {
                         "getInputStream", File.class);
                 getInputStreamMethod.setAccessible(true);
 
-                waitForReferenceProcessingMethod =
-                    Reference.class.getDeclaredMethod("waitForReferenceProcessing");
-                waitForReferenceProcessingMethod.setAccessible(true);
-
                 inField = FilterInputStream.class.getDeclaredField("in");
                 inField.setAccessible(true);
             } catch (Exception e) {
@@ -180,25 +173,6 @@ static InputStream FileInputStreamPool_getInputStream(File file)
             }
         }
 
-        static boolean Reference_waitForReferenceProcessing() {
-            try {
-                return (boolean) waitForReferenceProcessingMethod.invoke(null);
-            } catch (InvocationTargetException e) {
-                Throwable te = e.getTargetException();
-                if (te instanceof InterruptedException) {
-                    return true;
-                } else if (te instanceof RuntimeException) {
-                    throw (RuntimeException) te;
-                } else if (te instanceof Error) {
-                    throw (Error) te;
-                } else {
-                    throw new UndeclaredThrowableException(te);
-                }
-            } catch (IllegalAccessException e) {
-                throw new RuntimeException(e);
-            }
-        }
-
         static FileInputStream FilterInputStream_getInField(FilterInputStream fis) {
             try {
                 return (FileInputStream) inField.get(fis);