Stop including ip_address_number.h from net_util.h

chrome/browser/local_discovery/service_discovery_client_mac.mm

 // Copyright 2013 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 "chrome/browser/local_discovery/service_discovery_client_mac.h"
 
 #import <arpa/inet.h>
 #import <Foundation/Foundation.h>
 #import <net/if_dl.h>
 
 #include "base/memory/singleton.h"
 #include "base/metrics/histogram.h"
 #include "base/single_thread_task_runner.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/threading/thread.h"
+#include "net/base/ip_address_number.h"
 
 using local_discovery::ServiceWatcherImplMac;
 using local_discovery::ServiceResolverImplMac;
 
 @interface NetServiceBrowserDelegate
     : NSObject<NSNetServiceBrowserDelegate, NSNetServiceDelegate> {
  @private
   ServiceWatcherImplMac::NetServiceBrowserContainer* container_;  // weak.
   base::scoped_nsobject<NSMutableArray> services_;
 }
@@ skipping 444 matching lines @@
   container_->OnResolveUpdate(local_discovery::ServiceResolver::STATUS_SUCCESS);
 }
 
 - (void)netService:(NSNetService *)sender
         didNotResolve:(NSDictionary *)errorDict {
   container_->OnResolveUpdate(
       local_discovery::ServiceResolver::STATUS_REQUEST_TIMEOUT);
 }
 
 @end