Move WaitForLoadStop from ui_test_utils to browser_test_utils so that it can be reused in content_b…

chrome/browser/ui/pdf/pdf_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/file_util.h"
 #include "base/path_service.h"
 #include "base/string_number_conversions.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/ui/browser.h"
@@ skipping 316 matching lines @@
           std::wstring(),
           L"window.domAutomationController.send(plugin.documentLoadComplete())",
           &complete));
       if (complete)
         break;
 
       // Check if the LOAD_STOP notification could have come while we run a
       // nested message loop for the JS call.
       if (last_count != load_stop_notification_count())
         continue;
-      ui_test_utils::WaitForLoadStop(chrome::GetActiveWebContents(browser()));
+      content::WaitForLoadStop(chrome::GetActiveWebContents(browser()));
     }
   }
 }
 
 // Flaky as per http://crbug.com/74549.
 IN_PROC_BROWSER_TEST_F(PDFBrowserTest, DISABLED_OnLoadAndReload) {
   ASSERT_TRUE(pdf_test_server()->Start());
 
   GURL url = pdf_test_server()->GetURL("files/onload_reload.html");
   ui_test_utils::NavigateToURL(browser(), url);
 
   content::WindowedNotificationObserver observer(
       content::NOTIFICATION_LOAD_STOP,
       content::Source<NavigationController>(
           &chrome::GetActiveWebContents(browser())->GetController()));
   ASSERT_TRUE(content::ExecuteJavaScript(
       chrome::GetActiveWebContents(browser())->GetRenderViewHost(),
       std::wstring(),
       L"reloadPDF();"));
   observer.Wait();
 
   ASSERT_EQ("success",
             chrome::GetActiveWebContents(browser())->GetURL().query());
 }
 
 }  // namespace