Move about://-related constants from //content to //url

chrome/browser/autofill/content_autofill_driver_browsertest.cc

 // Copyright 2014 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/memory/scoped_ptr.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_tabstrip.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/common/url_constants.h"
@@ skipping 111 matching lines @@
                        SwitchTabAndHideAutofillPopup) {
   // Notification is different on platforms. On linux this will be called twice,
   // while on windows only once.
   EXPECT_CALL(manager_delegate_, HideAutofillPopup())
       .Times(testing::AtLeast(1));
 
   scoped_refptr<content::MessageLoopRunner> runner =
       new content::MessageLoopRunner;
   web_contents_hidden_callback_ = runner->QuitClosure();
   chrome::AddSelectedTabWithURL(browser(),
-                                GURL(content::kAboutBlankURL),
+                                GURL(url::kAboutBlankURL),
                                 content::PAGE_TRANSITION_AUTO_TOPLEVEL);
   runner->Run();
   web_contents_hidden_callback_.Reset();
 }
 
 IN_PROC_BROWSER_TEST_F(ContentAutofillDriverBrowserTest,
                        TestPageNavigationHidingAutofillPopup) {
   // Notification is different on platforms. On linux this will be called twice,
   // while on windows only once.
   EXPECT_CALL(manager_delegate_, HideAutofillPopup())
@@ skipping 10 matching lines @@
   browser()->OpenURL(content::OpenURLParams(GURL(chrome::kChromeUIAboutURL),
                                             content::Referrer(),
                                             CURRENT_TAB,
                                             content::PAGE_TRANSITION_TYPED,
                                             false));
   runner->Run();
   nav_entry_committed_callback_.Reset();
 }
 
 }  // namespace autofill