Fix tests from https://codereview.chromium.org/166143002/

Didn't account for test's usage of PrivateKey.
BUG=341500

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@251476 0039d316-1c4b-4281-b951-d872f2087c98

net/android/javatests/src/org/chromium/net/AndroidKeyStoreTestUtil.java

@@ -21,6 +21,7 @@ public class AndroidKeyStoreTestUtil {
 
     private static final String TAG = "AndroidKeyStoreTestUtil";
 
+    private static final DefaultAndroidKeyStore sKeyStore = new DefaultAndroidKeyStore();
     /**
      * Called from native code to create a PrivateKey object from its
      * encoded PKCS#8 representation.
@@ -28,7 +29,7 @@ public class AndroidKeyStoreTestUtil {
      * @return new PrivateKey handle, or null in case of error.
      */
     @CalledByNative
-    public static PrivateKey createPrivateKeyFromPKCS8(int type, byte[] encodedKey) {
+    public static AndroidPrivateKey createPrivateKeyFromPKCS8(int type, byte[] encodedKey) {
         String algorithm = null;
         switch (type) {
             case PrivateKeyType.RSA:
@@ -48,7 +49,7 @@ public class AndroidKeyStoreTestUtil {
             KeyFactory factory = KeyFactory.getInstance(algorithm);
             KeySpec ks = new PKCS8EncodedKeySpec(encodedKey);
             PrivateKey key = factory.generatePrivate(ks);
-            return key;
+            return sKeyStore.createKey(key);
 
         } catch (NoSuchAlgorithmException e) {
             Log.e(TAG, "Could not create " + algorithm + " factory instance!");