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

chrome/browser/download/download_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 <sstream>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
@@ skipping 663 matching lines @@
       downloads_expected++;
       observer->WaitForFinished();
       DownloadItem::DownloadState final_state =
           (download_info.reason == content::DOWNLOAD_INTERRUPT_REASON_NONE) ?
               DownloadItem::COMPLETE :
               DownloadItem::INTERRUPTED;
       EXPECT_EQ(1u, observer->NumDownloadsSeenInState(final_state));
     }
 
     // Wait till the |DownloadFile|s are destroyed.
-    ui_test_utils::RunAllPendingInMessageLoop(content::BrowserThread::FILE);
-    ui_test_utils::RunAllPendingInMessageLoop(content::BrowserThread::UI);
+    content::RunAllPendingInMessageLoop(content::BrowserThread::FILE);
+    content::RunAllPendingInMessageLoop(content::BrowserThread::UI);
 
     // Validate that the correct files were downloaded.
     download_items.clear();
     GetDownloads(browser(), &download_items);
     ASSERT_EQ(downloads_expected, download_items.size()) << s.str();
 
     if (download_info.show_download_item) {
       // Find the last download item.
       DownloadItem* item = download_items[0];
       for (size_t d = 1; d < downloads_expected; ++d) {
@@ skipping 1765 matching lines @@
   GetDownloads(browser(), &download_items);
   ASSERT_EQ(1u, download_items.size());
   ASSERT_EQ(test_server()->GetURL("echoheader?Referer"),
             download_items[0]->GetOriginalUrl());
 
   // Check that the file contains the expected referrer.
   FilePath file(download_items[0]->GetFullPath());
   std::string expected_contents = test_server()->GetURL("").spec();
   ASSERT_TRUE(VerifyFile(file, expected_contents, expected_contents.length()));
 }