Update ResponseInfo to UrlResponseInfo with API review comments.

components/cronet/android/java/src/org/chromium/net/ResponseInfo.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.util.Pair;
-
 import java.util.List;
 import java.util.Map;
 
 /**
  * Contains basic information about a response. Sent to the embedder whenever
  * headers are received.
+ * @deprecated Use {@link UrlResponseInfo} instead of this and {@link ExtendedResponseInfo}.
  */
+@Deprecated
 public interface ResponseInfo {
     /**
      * Returns the URL the response is for. This is the URL after following
      * redirects, so it may not be the originally requested URL.
      * @return the URL the response is for.
      */
     String getUrl();
 
     /**
      * Returns the URL chain. The first entry is the origianlly requested URL;
      * the following entries are redirects followed.
      * @return the URL chain.
      */
-    String[] getUrlChain();
+    List<String> getUrlChain();
 
     /**
      * Returns the HTTP status code. When a resource is retrieved from the cache,
      * whether it was revalidated or not, the original status code is returned.
      * @return the HTTP status code.
      */
     int getHttpStatusCode();
 
     /**
      * Returns the HTTP status text of the status line. For example, if the
      * request has a "HTTP/1.1 200 OK" response, this method returns "OK".
      * @return the HTTP status text of the status line.
      */
     String getHttpStatusText();
 
     /**
      * Returns an unmodifiable list of response header field and value pairs.
      * The headers are in the same order they are received over the wire.
      * @return an unmodifiable list of response header field and value pairs.
      */
-    List<Pair<String, String>> getAllHeadersAsList();
+    List<Map.Entry<String, String>> getAllHeadersAsList();
 
     /**
      * Returns an unmodifiable map of the response-header fields and values.
      * Each list of values for a single header field is in the same order they
      * were received over the wire.
      * @return an unmodifiable map of the response-header fields and values.
      */
     Map<String, List<String>> getAllHeaders();
 
     /**
@@ skipping 14 matching lines @@
     // TODO(mef): Figure out what this returns in the cached case, both with
     // and without a revalidation request.
     String getNegotiatedProtocol();
 
     /**
      * Returns the proxy server that was used for the request.
      * @return the proxy server that was used for the request.
      */
     String getProxyServer();
 };