Crash fix for daisy.

chrome/browser/chromeos/cros/network_library_impl_cros.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/chromeos/cros/network_library_impl_cros.h"
 
 #include <dbus/dbus-glib.h>
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/json/json_writer.h"  // for debug output only.
@@ skipping 1164 matching lines @@
     UpdateCellularDeviceStatus(device, PROPERTY_INDEX_CELLULAR_ALLOW_ROAMING);
 
   NotifyNetworkManagerChanged(false);  // Not forced.
   AddNetworkDeviceObserver(device_path, network_device_observer_.get());
 }
 
 void NetworkLibraryImplCros::SetIPParametersCallback(
     const IPParameterInfo& info,
     const std::string& service_path,
     const base::DictionaryValue* properties) {
+  // crbug.com/146616 will fix this once we have better
+  // handling of shill errors.
+  if (!properties)
+    return;
+
   // Find the properties we're going to set, and minimize the DBus calls below
   // by not clearing if it's already cleared, and not setting if it's already
   // set to the same value. Also, don't reconnect at the end if nothing changed.
   bool something_changed = false;
   std::string current_address;
   int32 current_prefixlen = -1;
   std::string current_gateway;
   std::string current_name_servers;
   bool address_exists = properties->GetStringWithoutPathExpansion(
       shill::kStaticIPAddressProperty,
@@ skipping 96 matching lines @@
   // Find the network associated with this service path, and attempt to refresh
   // its IP parameters, so that the changes to the service properties can take
   // effect.
   Network* network = FindNetworkByPath(service_path);
 
   if (network && network->connecting_or_connected())
     RefreshIPConfig(network);
 }
 
 }  // namespace chromeos