Fixes for -Wunused-function on Linux, Android and ChromeOS

chrome/browser/extensions/api/dial/dial_service.cc

 // Copyright (c) 2012 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/extensions/api/dial/dial_service.h"
 
 #include <algorithm>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
@@ skipping 87 matching lines @@
       kDialResponseTimeoutSecs,
       kDialSearchType,
       version.Name().c_str(),
       version.Version().c_str(),
       version.OSType().c_str()));
   // 1500 is a good MTU value for most Ethernet LANs.
   DCHECK(request.size() <= 1500);
   return request;
 }
 
+#if !defined(OS_CHROMEOS)
 void GetNetworkListOnFileThread(
     const scoped_refptr<base::MessageLoopProxy>& loop,
     const base::Callback<void(const NetworkInterfaceList& networks)>& cb) {
   NetworkInterfaceList list;
   bool success = net::GetNetworkList(&list);
   if (!success)
     DVLOG(1) << "Could not retrieve network list!";
 
   loop->PostTask(FROM_HERE, base::Bind(cb, list));
 }
 
-#if defined(OS_CHROMEOS)
+#else
+
 IPAddressNumber GetBestBindAddressByType(
     const chromeos::NetworkTypePattern& type) {
   const chromeos::NetworkState* state = chromeos::NetworkHandler::Get()
       ->network_state_handler()->ConnectedNetworkByType(type);
   IPAddressNumber bind_ip_address;
   if (!state ||
       !net::ParseIPLiteralToNumber(state->ip_address(), &bind_ip_address)) {
     return IPAddressNumber();
   }
   if (bind_ip_address.size() != net::kIPv4AddressSize) {
@@ skipping 10 matching lines @@
 // ChromeOS version can prioritize wifi and ethernet interfaces.
 IPAddressNumber GetBestBindAddressChromeOS() {
   IPAddressNumber bind_ip_address =
       GetBestBindAddressByType(chromeos::NetworkTypePattern::Ethernet());
   if (bind_ip_address.empty()) {
     bind_ip_address =
         GetBestBindAddressByType(chromeos::NetworkTypePattern::WiFi());
   }
   return bind_ip_address;
 }
-#endif
+#endif  // !defined(OS_CHROMEOS)
 
 }  // namespace
 
 DialServiceImpl::DialServiceImpl(net::NetLog* net_log)
   : is_writing_(false),
     is_reading_(false),
     discovery_active_(false),
     num_requests_sent_(0),
     max_requests_(kDialMaxRequests),
     finish_delay_(TimeDelta::FromMilliseconds((kDialMaxRequests - 1) *
@@ skipping 329 matching lines @@
     DVLOG(0) << "dial socket error: " << error_str;
     // TODO(justinlin): More granular socket errors.
     FOR_EACH_OBSERVER(
         Observer, observer_list_, OnError(this, DIAL_SERVICE_SOCKET_ERROR));
     return false;
   }
   return true;
 }
 
 }  // namespace extensions