content: Move more constants from url_constants.h into content namespace.

chrome/browser/extensions/api/web_navigation/web_navigation_apitest.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 <list>
 #include <set>
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/utf_string_conversions.h"
@@ skipping 695 matching lines @@
   content::WaitForLoadStop(tab);
 
   ResultCatcher catcher;
 
   GURL url(base::StringPrintf(
       "http://www.a.com:%d/"
           "files/extensions/api_test/webnavigation/crash/a.html",
       test_server()->host_port_pair().port()));
   ui_test_utils::NavigateToURL(browser(), url);
 
-  ui_test_utils::NavigateToURL(browser(), GURL(chrome::kChromeUICrashURL));
+  ui_test_utils::NavigateToURL(browser(), GURL(content::kChromeUICrashURL));
 
   url = GURL(base::StringPrintf(
       "http://www.a.com:%d/"
           "files/extensions/api_test/webnavigation/crash/b.html",
       test_server()->host_port_pair().port()));
   ui_test_utils::NavigateToURL(browser(), url);
 
   ASSERT_TRUE(catcher.GetNextResult()) << catcher.message();
 }
 
 }  // namespace extensions