Move NetworkTypePattern to its own file

chrome/browser/chromeos/prerender_condition_network.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 "chrome/browser/chromeos/prerender_condition_network.h"
 
 #include "chromeos/network/network_state.h"
 #include "chromeos/network/network_state_handler.h"
-#include "chromeos/network/shill_property_util.h"
 #include "third_party/cros_system_api/dbus/service_constants.h"
 
 namespace chromeos {
 
 PrerenderConditionNetwork::PrerenderConditionNetwork() {
 }
 
 PrerenderConditionNetwork::~PrerenderConditionNetwork() {
 }
 
 bool PrerenderConditionNetwork::CanPrerender() const {
   const NetworkState* default_network =
       NetworkHandler::Get()->network_state_handler()->DefaultNetwork();
   return default_network &&
          !default_network->Matches(NetworkTypePattern::Mobile());
 }
 
 }  // namespace chromeos