Add new text for indicating we are resolving hosts during proxy resolution.

net/proxy/proxy_resolver_mac.cc

 // Copyright (c) 2011 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.
 
 #include "net/proxy/proxy_resolver_mac.h"
 
 #include <CoreFoundation/CoreFoundation.h>
 #include <CoreServices/CoreServices.h>
 
 #include "base/logging.h"
@@ skipping 169 matching lines @@
     results->UseNamedProxy(proxy_uri_list);
   // Else do nothing (results is already guaranteed to be in the default state).
 
   return OK;
 }
 
 void ProxyResolverMac::CancelRequest(RequestHandle request) {
   NOTREACHED();
 }
 
+LoadState ProxyResolverMac::GetLoadState(RequestHandle request) const {
+  NOTREACHED();
+  return LOAD_STATE_IDLE;
+}
+
+LoadState ProxyResolverMac::GetLoadStateThreadSafe(
+    RequestHandle request) const {
+  return LOAD_STATE_IDLE;
+}
+
 void ProxyResolverMac::CancelSetPacScript() {
   NOTREACHED();
 }
 
 int ProxyResolverMac::SetPacScript(
     const scoped_refptr<ProxyResolverScriptData>& script_data,
     OldCompletionCallback* /*callback*/) {
   script_data_ = script_data;
   return OK;
 }
 
 }  // namespace net