Remove deprecated IsUnresolved() method from SocketAddress API.

webrtc/base/proxydetect.cc

 /*
  *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 204 matching lines @@
   if (match >= 4) {
     uint32_t ip = ((a & 0xFF) << 24) | ((b & 0xFF) << 16) | ((c & 0xFF) << 8) |
                   (d & 0xFF);
     if ((match < 5) || (m > 32))
       m = 32;
     else if (m < 0)
       m = 0;
     uint32_t mask = (m == 0) ? 0 : (~0UL) << (32 - m);
     SocketAddress addr(url.host(), 0);
     // TODO: Support IPv6 proxyitems. This code block is IPv4 only anyway.
-    return !addr.IsUnresolved() &&
+    return !addr.IsUnresolvedIP() &&
         ((addr.ipaddr().v4AddressAsHostOrderInteger() & mask) == (ip & mask));
   }
 
   // .foo.com
   if (*item == '.') {
     size_t hostlen = url.host().length();
     return (hostlen > len)
         && (stricmp(url.host().c_str() + (hostlen - len), item) == 0);
   }
 
@@ skipping 1058 matching lines @@
     if (!result) {
       // Either auto detection is not supported or we simply didn't
       // find any proxy, reset type.
       proxy->type = rtc::PROXY_NONE;
     }
   }
   return result;
 }
 
 }  // namespace rtc