Revert of Enable public key pinning of local trust anchors

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

 // Copyright 2015 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 org.chromium.base.annotations.JNINamespace;
 import org.chromium.base.test.util.UrlUtils;
 
 /**
  * A Java wrapper to supply a net::MockCertVerifier which can be then passed
  * into {@link CronetEngine.Builder#setMockCertVerifierForTesting}.
  * The native pointer will be freed when the CronetEngine is torn down.
  */
 @JNINamespace("cronet")
 public class MockCertVerifier {
     private MockCertVerifier() {}
 
     /**
      * Creates a new net::MockCertVerifier, and returns a pointer to it.
      * @param certs a String array of certificate filenames in
      *         net::GetTestCertsDirectory() to accept in testing.
      * @return a pointer to the newly created net::MockCertVerifier.
      */
-    public static long createMockCertVerifier(String[] certs, boolean knownRoot) {
-        return nativeCreateMockCertVerifier(certs, knownRoot, UrlUtils.getIsolatedTestRoot());
+    public static long createMockCertVerifier(String[] certs) {
+        return nativeCreateMockCertVerifier(certs, UrlUtils.getIsolatedTestRoot());
     }
 
-    private static native long nativeCreateMockCertVerifier(
-            String[] certs, boolean knownRoot, String testDataDir);
+    private static native long nativeCreateMockCertVerifier(String[] certs, String testDataDir);
 }