Don't hide task manager key binding from web pages.

chrome/browser/browser.cc

 // Copyright (c) 2006-2009 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/browser.h"
 
 #include "app/animation.h"
 #include "app/l10n_util.h"
 #include "base/command_line.h"
 #include "base/keyboard_codes.h"
@@ skipping 2123 matching lines @@
 
   int command_id = window()->GetCommandId(event);
   return command_id == IDC_CLOSE_TAB ||
          command_id == IDC_CLOSE_POPUPS ||
          command_id == IDC_CLOSE_WINDOW ||
          command_id == IDC_NEW_INCOGNITO_WINDOW ||
          command_id == IDC_NEW_TAB ||
          command_id == IDC_NEW_WINDOW ||
          command_id == IDC_RESTORE_TAB ||
          command_id == IDC_SELECT_NEXT_TAB ||
-         command_id == IDC_SELECT_PREVIOUS_TAB ||
-         command_id == IDC_TASK_MANAGER;
+         command_id == IDC_SELECT_PREVIOUS_TAB;
 }
 
 void Browser::ShowRepostFormWarningDialog(TabContents *tab_contents) {
   window()->ShowRepostFormWarningDialog(tab_contents);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // Browser, SelectFileDialog::Listener implementation:
 
 void Browser::FileSelected(const FilePath& path, int index, void* params) {
@@ skipping 825 matching lines @@
 ///////////////////////////////////////////////////////////////////////////////
 // BrowserToolbarModel (private):
 
 NavigationController* Browser::BrowserToolbarModel::GetNavigationController() {
   // This |current_tab| can be NULL during the initialization of the
   // toolbar during window creation (i.e. before any tabs have been added
   // to the window).
   TabContents* current_tab = browser_->GetSelectedTabContents();
   return current_tab ? &current_tab->controller() : NULL;
 }