FBTF: Clean up task.h in x11_util.h and header usage in some delegates.

chrome/browser/extensions/execute_code_in_tab_function.cc

 // Copyright (c) 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/extensions/execute_code_in_tab_function.h"
 
 #include "base/callback.h"
 #include "base/string_util.h"
+#include "base/utf_string_conversions.h"
 #include "chrome/browser/browser.h"
 #include "chrome/browser/extensions/extension_tabs_module.h"
 #include "chrome/browser/extensions/extension_tabs_module_constants.h"
 #include "chrome/browser/extensions/extensions_service.h"
 #include "chrome/browser/extensions/file_reader.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/extensions/extension_error_utils.h"
 
@@ skipping 146 matching lines @@
 void ExecuteCodeInTabFunction::Observe(NotificationType type,
                                        const NotificationSource& source,
                                        const NotificationDetails& details) {
   std::pair<int, bool>* result_details =
       Details<std::pair<int, bool> >(details).ptr();
   if (result_details->first == request_id()) {
     SendResponse(result_details->second);
     Release();  // balanced in Execute()
   }
 }