cros: Move call js prefix out of ctor.

chrome/browser/ui/webui/chromeos/login/network_dropdown_handler.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/ui/webui/chromeos/login/network_dropdown_handler.h"
 
 #include "chrome/browser/chromeos/login/ui/webui_login_display.h"
 #include "chrome/browser/chromeos/options/network_config_view.h"
 #include "chrome/browser/chromeos/ui/choose_mobile_network_dialog.h"
 #include "chrome/browser/ui/webui/chromeos/login/network_dropdown.h"
@@ skipping 12 matching lines @@
 const char kJsApiNetworkDropdownRefresh[] = "networkDropdownRefresh";
 const char kJsApiLaunchProxySettingsDialog[] = "launchProxySettingsDialog";
 const char kJsApiLaunchAddWiFiNetworkDialog[] = "launchAddWiFiNetworkDialog";
 const char kJsApiLaunchAddMobileNetworkDialog[] =
     "launchAddMobileNetworkDialog";
 
 }  // namespace
 
 namespace chromeos {
 
-NetworkDropdownHandler::NetworkDropdownHandler()
-    : BaseScreenHandler(kJsScreenPath) {
+NetworkDropdownHandler::NetworkDropdownHandler() {
+  set_call_js_prefix(kJsScreenPath);
 }
 
 NetworkDropdownHandler::~NetworkDropdownHandler() {
 }
 
 void NetworkDropdownHandler::AddObserver(Observer* observer) {
   if (observer && !observers_.HasObserver(observer))
     observers_.AddObserver(observer);
 }
 
@@ skipping 69 matching lines @@
 }
 
 void NetworkDropdownHandler::HandleNetworkDropdownRefresh() {
   // Since language change is async,
   // we may in theory be on another screen during this call.
   if (dropdown_.get())
     dropdown_->Refresh();
 }
 
 }  // namespace chromeos