Move RunAllPendingInMessageLoop from ui_test_utils.h to test_utils.h, so that it can be reused by c…

chrome/browser/printing/printing_layout_browsertest.cc

 // Copyright (c) 2012 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/file_util.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
 #include "base/process_util.h"
@@ skipping 412 matching lines @@
     base::DelegateSimpleThread close_printdlg_thread(&dismisser,
                                                      "close_printdlg_thread");
     close_printdlg_thread.Start();
     close_printdlg_thread.Join();
 
     // Force a navigation elsewhere to verify that it's fine with it.
     url = test_server()->GetURL("files/printing/test1.html");
     ui_test_utils::NavigateToURL(browser(), url);
   }
   chrome::CloseWindow(browser());
-  ui_test_utils::RunAllPendingInMessageLoop();
+  content::RunAllPendingInMessageLoop();
 
   EXPECT_EQ(0., CompareWithResult(L"popup_delayed_print"))
       << L"popup_delayed_print";
 }
 
 // Prints a popup and immediately closes it. http://crbug.com/7721
 IN_PROC_BROWSER_TEST_F(PrintingLayoutTest, DISABLED_IFrame) {
   if (IsTestCaseDisabled())
     return;
 
   ASSERT_TRUE(test_server()->Start());
 
   {
     GURL url = test_server()->GetURL("files/printing/iframe.htm");
     ui_test_utils::NavigateToURL(browser(), url);
 
     DismissTheWindow dismisser;
     base::DelegateSimpleThread close_printdlg_thread(&dismisser,
                                                      "close_printdlg_thread");
     close_printdlg_thread.Start();
     close_printdlg_thread.Join();
 
     // Force a navigation elsewhere to verify that it's fine with it.
     url = test_server()->GetURL("files/printing/test1.html");
     ui_test_utils::NavigateToURL(browser(), url);
   }
   chrome::CloseWindow(browser());
-  ui_test_utils::RunAllPendingInMessageLoop();
+  content::RunAllPendingInMessageLoop();
 
   EXPECT_EQ(0., CompareWithResult(L"iframe")) << L"iframe";
 }