Throw IllegalArgumentException from addQuicHint if host is URL.

components/cronet/android/java/src/org/chromium/net/HttpUrlRequestFactoryConfig.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 org.json.JSONArray;
 import org.json.JSONException;
 import org.json.JSONObject;
 
@@ skipping 93 matching lines @@
      * Note that enableHttpCache(DISK) is needed to take advantage of 0-RTT
      * connection establishment between sessions.
      *
      * @param host of the server that supports QUIC.
      * @param port of the server that supports QUIC.
      * @param alternatePort to use for QUIC.
      */
     public HttpUrlRequestFactoryConfig addQuicHint(String host,
                                                    int port,
                                                    int alternatePort) {
+        if (host.contains("/")) {
+            throw new IllegalArgumentException("Illegal QUIC Hint Host: " +
+                                               host);
+        }
         try {
             JSONArray quicHints = mConfig.optJSONArray(
                     UrlRequestContextConfig.QUIC_HINTS);
             if (quicHints == null) {
                 quicHints = new JSONArray();
                 mConfig.put(UrlRequestContextConfig.QUIC_HINTS, quicHints);
             }
 
             JSONObject hint = new JSONObject();
             hint.put(UrlRequestContextConfig.QUIC_HINT_HOST, host);
@@ skipping 48 matching lines @@
         try {
             mConfig.put(key, value);
         } catch (JSONException e) {
             // Intentionally do nothing.
         }
         return this;
     }
 
     private JSONObject mConfig = new JSONObject();
 }