Move some content url constants to /url.

chrome/browser/autocomplete/zero_suggest_provider.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/autocomplete/zero_suggest_provider.h"
 
 #include "base/callback.h"
 #include "base/i18n/case_conversion.h"
 #include "base/json/json_string_value_serializer.h"
 #include "base/metrics/histogram.h"
@@ skipping 367 matching lines @@
   // variations can be shown.
   if (!OmniboxFieldTrial::InZeroSuggestMostVisitedFieldTrial() &&
       !OmniboxFieldTrial::InZeroSuggestPersonalizedFieldTrial())
     return false;
 
   // Only show zero suggest for HTTP[S] pages.
   // TODO(mariakhomenko): We may be able to expand this set to include pages
   // with other schemes (e.g. chrome://). That may require improvements to
   // the formatting of the verbatim result returned by MatchForCurrentURL().
   if (!current_page_url.is_valid() ||
-      ((current_page_url.scheme() != content::kHttpScheme) &&
-      (current_page_url.scheme() != content::kHttpsScheme)))
+      ((current_page_url.scheme() != url::kHttpScheme) &&
+      (current_page_url.scheme() != url::kHttpsScheme)))
     return false;
 
   return true;
 }