Add proxy settings to network control at upper row of controls at login screen.

chrome/browser/chromeos/frame/browser_view.cc

 // Copyright (c) 2010 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/frame/browser_view.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 300 matching lines @@
 
 bool BrowserView::ShouldOpenButtonOptions(
     const views::View* button_view) const {
   return true;
 }
 
 void BrowserView::ExecuteBrowserCommand(int id) const {
   browser()->ExecuteCommand(id);
 }
 
-void BrowserView::OpenButtonOptions(const views::View* button_view) const {
+void BrowserView::OpenButtonOptions(const views::View* button_view) {
   if (button_view == status_area_->network_view()) {
     browser()->OpenInternetOptionsDialog();
   } else if (button_view == status_area_->input_method_view()) {
     browser()->OpenLanguageOptionsDialog();
   } else {
     browser()->OpenSystemOptionsDialog();
   }
 }
 
 bool BrowserView::IsBrowserMode() const {
@@ skipping 33 matching lines @@
 BrowserWindow* BrowserWindow::CreateBrowserWindow(Browser* browser) {
   // Create a browser view for chromeos.
   BrowserView* view;
   if (browser->type() & Browser::TYPE_POPUP)
     view = new chromeos::PanelBrowserView(browser);
   else
     view = new chromeos::BrowserView(browser);
   BrowserFrame::Create(view, browser->profile());
   return view;
 }