Add NetworkHandler to own network handlers in src/chromeos/network

chrome/browser/chromeos/system/ash_system_tray_delegate.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/system/ash_system_tray_delegate.h"
 
 #include <algorithm>
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 461 matching lines @@
         l10n_util::GetStringUTF8(IDS_OPTIONS_SETTINGS_SECTION_TITLE_DATETIME);
     chrome::ShowSettingsSubPage(GetAppropriateBrowser(), sub_page);
   }
 
   virtual void ShowNetworkSettings(const std::string& service_path) OVERRIDE {
     if (!LoginState::Get()->IsUserLoggedIn())
       return;
 
     std::string page = chrome::kInternetOptionsSubPage;
     const chromeos::NetworkState* network = service_path.empty() ? NULL :
-        chromeos::NetworkStateHandler::Get()->GetNetworkState(service_path);
+        NetworkHandler::Get()->network_state_handler()->GetNetworkState(
+            service_path);
     if (network) {
       std::string name(network->name());
       if (name.empty() && network->type() == flimflam::kTypeEthernet)
         name = l10n_util::GetStringUTF8(IDS_STATUSBAR_NETWORK_DEVICE_ETHERNET);
       page += base::StringPrintf(
           "?servicePath=%s&networkType=%s&networkName=%s",
           net::EscapeUrlEncodedData(service_path, true).c_str(),
           net::EscapeUrlEncodedData(network->type(), true).c_str(),
           net::EscapeUrlEncodedData(name, false).c_str());
     }
@@ skipping 241 matching lines @@
         FindDriveIntegrationService();
     if (!integration_service)
       return;
 
     *list = ConvertToDriveStatusList(
         integration_service->job_list()->GetJobInfoList());
   }
 
   virtual void ConfigureNetwork(const std::string& network_id) OVERRIDE {
     const chromeos::NetworkState* network = network_id.empty() ? NULL :
-        chromeos::NetworkStateHandler::Get()->GetNetworkState(network_id);
+        NetworkHandler::Get()->network_state_handler()->GetNetworkState(
+            network_id);
     if (!network) {
       LOG(ERROR) << "ConfigureNetwork: Network not found: " << network_id;
       return;
     }
     if (network->type() == flimflam::kTypeWifi ||
         network->type() == flimflam::kTypeWimax ||
         network->type() == flimflam::kTypeVPN) {
       // TODO(stevenjb): Replace with non-NetworkLibrary UI.
       Network* cros_network = CrosLibrary::Get()->GetNetworkLibrary()->
           FindNetworkByPath(network_id);
@@ skipping 568 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(SystemTrayDelegate);
 };
 
 }  // namespace
 
 ash::SystemTrayDelegate* CreateSystemTrayDelegate() {
   return new chromeos::SystemTrayDelegate();
 }
 
 }  // namespace chromeos