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

chrome/browser/geolocation/geolocation_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 <string>
 
 #include "base/compiler_specific.h"
 #include "base/string_number_conversions.h"
 #include "base/stringprintf.h"
 #include "base/utf_string_conversions.h"
@@ skipping 44 matching lines @@
                    content::Source<NavigationController>(controller));
     registrar_.Add(this, content::NOTIFICATION_DOM_OPERATION_RESPONSE,
                    content::NotificationService::AllSources());
     std::string script = base::StringPrintf(
         "window.domAutomationController.setAutomationId(0);"
         "window.domAutomationController.send(addIFrame(%d, \"%s\"));",
         iframe_id,
         url.spec().c_str());
     chrome::GetActiveWebContents(browser)->GetRenderViewHost()->
         ExecuteJavascriptInWebFrame(string16(), UTF8ToUTF16(script));
-    ui_test_utils::RunMessageLoop();
+    content::RunMessageLoop();
 
     EXPECT_EQ(base::StringPrintf("\"%d\"", iframe_id), javascript_response_);
     registrar_.RemoveAll();
     // Now that we loaded the iframe, let's fetch its src.
     script = base::StringPrintf(
         "window.domAutomationController.send(getIFrameSrc(%d))", iframe_id);
     std::string iframe_src;
     EXPECT_TRUE(content::ExecuteJavaScriptAndExtractString(
         chrome::GetActiveWebContents(browser)->GetRenderViewHost(),
         L"", UTF8ToWide(script), &iframe_src));
@@ skipping 59 matching lines @@
   }
 
   void AddWatchAndWaitForNotification(content::RenderViewHost* render_view_host,
                                       const std::wstring& iframe_xpath) {
     LOG(WARNING) << "will add geolocation watch";
     std::string script =
         "window.domAutomationController.setAutomationId(0);"
         "window.domAutomationController.send(geoStart());";
     render_view_host->ExecuteJavascriptInWebFrame(WideToUTF16Hack(iframe_xpath),
                                                   UTF8ToUTF16(script));
-    ui_test_utils::RunMessageLoop();
+    content::RunMessageLoop();
     registrar_.RemoveAll();
     LOG(WARNING) << "got geolocation watch" << javascript_response_;
     EXPECT_NE("\"0\"", javascript_response_);
     if (wait_for_infobar_) {
       EXPECT_TRUE(infobar_);
     } else {
       EXPECT_TRUE(navigation_completed_);
     }
   }
 
@@ skipping 504 matching lines @@
       "window.domAutomationController.setAutomationId(0);"
       "window.domAutomationController.send(window.close());";
   bool result =
       content::ExecuteJavaScript(
       chrome::GetActiveWebContents(current_browser_)->GetRenderViewHost(),
       L"", UTF8ToWide(script));
   EXPECT_EQ(result, true);
 }
 
 }  // namespace