[ChromeOS] Fix a WebUI login crash.

chrome/browser/ui/webui/chromeos/login/network_screen_handler.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/ui/webui/chromeos/login/network_screen_handler.h"
 
 #include "base/stringprintf.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 33 matching lines @@
 
 // NetworkScreenHandler, public: -----------------------------------------------
 
 NetworkScreenHandler::NetworkScreenHandler()
     : screen_(NULL),
       is_continue_enabled_(false),
       show_on_init_(false) {
 }
 
 NetworkScreenHandler::~NetworkScreenHandler() {
-  ClearErrors();
 }
 
 // NetworkScreenHandler, NetworkScreenActor implementation: --------------------
 
 void NetworkScreenHandler::SetDelegate(NetworkScreenActor::Delegate* screen) {
   screen_ = screen;
 }
 
 void NetworkScreenHandler::PrepareToShow() {
 }
@@ skipping 177 matching lines @@
     input_method->SetString("title",
       WideToUTF16(InputMethodMenu::GetTextForMenu(input_methods->at(i))));
     input_method->SetBoolean("selected",
         input_methods->at(i).id() == current_input_method_id);
     input_methods_list->Append(input_method);
   }
   return input_methods_list;
 }
 
 }  // namespace chromeos