Move ui_test_utils::RunMessageLoop to test_utils so that it can be reused by content_browsertests.

chrome/browser/ui/webui/web_ui_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 "chrome/browser/ui/webui/web_ui_browsertest.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 187 matching lines @@
 void WebUIBrowserTest::BrowsePreload(const GURL& browse_to) {
   content::TestNavigationObserver navigation_observer(
       content::Source<NavigationController>(
           &chrome::GetActiveWebContents(browser())->GetController()),
       this, 1);
   chrome::NavigateParams params(browser(), GURL(browse_to),
                                 content::PAGE_TRANSITION_TYPED);
   params.disposition = CURRENT_TAB;
   chrome::Navigate(&params);
   navigation_observer.WaitForObservation(
-      base::Bind(&ui_test_utils::RunMessageLoop),
+      base::Bind(&content::RunMessageLoop),
       base::Bind(&MessageLoop::Quit,
                  base::Unretained(MessageLoopForUI::current())));
 }
 
 void WebUIBrowserTest::BrowsePrintPreload(const GURL& browse_to) {
   ui_test_utils::NavigateToURL(browser(), browse_to);
 
   TestTabStripModelObserver tabstrip_observer(
       browser()->tab_strip_model(), this);
   chrome::Print(browser());
   tabstrip_observer.WaitForObservation(
-      base::Bind(&ui_test_utils::RunMessageLoop),
+      base::Bind(&content::RunMessageLoop),
       base::Bind(&MessageLoop::Quit,
                  base::Unretained(MessageLoopForUI::current())));
 
   printing::PrintPreviewTabController* tab_controller =
       printing::PrintPreviewTabController::GetInstance();
   ASSERT_TRUE(tab_controller);
   TabContents* preview_tab = tab_controller->GetPrintPreviewForTab(
       chrome::GetActiveTabContents(browser()));
   ASSERT_TRUE(preview_tab);
   SetWebUIInstance(preview_tab->web_contents()->GetWebUI());
@@ skipping 467 matching lines @@
 // testDone directly and expect pass result.
 IN_PROC_BROWSER_TEST_F(WebUIBrowserAsyncTest, TestTestDoneEarlyPassesAsync) {
   ASSERT_TRUE(RunJavascriptAsyncTest("testDone"));
 }
 
 // Test that calling testDone during RunJavascriptTest still completes when
 // waiting for async result.
 IN_PROC_BROWSER_TEST_F(WebUIBrowserAsyncTest, TestTestDoneEarlyPasses) {
   ASSERT_TRUE(RunJavascriptTest("testDone"));
 }