Revert of [Cronet] Get Cronet performance test running again

components/cronet/android/test/src/org/chromium/net/CronetTestUtil.java

 // Copyright 2014 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.
 
 package org.chromium.net;
 
-import android.os.ConditionVariable;
-
-import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.JNINamespace;
 
 /**
  * Utilities for Cronet testing
  */
 @JNINamespace("cronet")
 public class CronetTestUtil {
-    private static final ConditionVariable sHostResolverBlock = new ConditionVariable();
-
     /**
-     * Registers customized DNS mapping for testing host names used by test servers, namely:
-     * <ul>
-     * <li>{@link QuicTestServer#getServerHost}</li>
-     * <li>{@link NativeTestServer#getSdchURL}</li>'s host
-     * </ul>
-     * @param cronetEngine {@link CronetEngine} that this mapping should apply to.
-     * @param destination host to map to (e.g. 127.0.0.1)
+     * Start QUIC server on local host.
+     * @return non-zero QUIC server port number on success or 0 if failed.
      */
-    public static void registerHostResolverProc(CronetEngine cronetEngine, String destination) {
-        long contextAdapter =
-                ((CronetUrlRequestContext) cronetEngine).getUrlRequestContextAdapter();
-        nativeRegisterHostResolverProc(contextAdapter, false, destination);
-        sHostResolverBlock.block();
-        sHostResolverBlock.close();
+    public static int startQuicServer() {
+        return nativeStartQuicServer();
     }
 
-    /**
-     * Registers customized DNS mapping for testing host names used by test servers.
-     * @param requestFactory {@link HttpUrlRequestFactory} that this mapping should apply to.
-     * @param destination host to map to (e.g. 127.0.0.1)
-     */
-    public static void registerHostResolverProc(
-            HttpUrlRequestFactory requestFactory, String destination) {
-        long contextAdapter = ((ChromiumUrlRequestFactory) requestFactory)
-                                      .getRequestContext()
-                                      .getUrlRequestContextAdapter();
-        nativeRegisterHostResolverProc(contextAdapter, true, destination);
-        sHostResolverBlock.block();
-        sHostResolverBlock.close();
-    }
-
-    @CalledByNative
-    private static void onHostResolverProcRegistered() {
-        sHostResolverBlock.open();
-    }
-
-    private static native void nativeRegisterHostResolverProc(
-            long contextAdapter, boolean isLegacyAPI, String destination);
+    private static native int nativeStartQuicServer();
 }