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

chrome/browser/browser_init_browsertest.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 "base/command_line.h"
 #include "base/file_path.h"
+#include "base/utf_string_conversions.h"
 #include "chrome/browser/browser.h"
 #include "chrome/browser/browser_init.h"
 #include "chrome/browser/browser_list.h"
 #include "chrome/browser/browser_window.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
 #include "chrome/test/in_process_browser_test.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 
@@ skipping 65 matching lines @@
 
   // Skip about:blank in the first tab
   for (int  i = 1; i < browser()->tab_count(); i++) {
     const GURL &url = browser()->GetTabContentsAt(i)->GetURL();
     ASSERT_EQ(url, testurl);
   }
   ASSERT_EQ(browser()->tab_count(), 3);
 }
 
 }  // namespace