Move some content url constants to /url.

chrome/browser/history/history_backend.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/history/history_backend.h"
 
 #include <algorithm>
 #include <functional>
 #include <list>
 #include <map>
@@ skipping 389 matching lines @@
   // change the transition to TYPED so that the omnibox will learn that this is
   // a known host.
   bool has_redirects = request.redirects.size() > 1;
   if (content::PageTransitionIsMainFrame(request_transition) &&
       (stripped_transition != content::PAGE_TRANSITION_TYPED) &&
       !is_keyword_generated) {
     const GURL& origin_url(has_redirects ?
         request.redirects[0] : request.url);
     if (origin_url.SchemeIs(url::kHttpScheme) ||
         origin_url.SchemeIs(url::kHttpsScheme) ||
-        origin_url.SchemeIs(content::kFtpScheme)) {
+        origin_url.SchemeIs(url::kFtpScheme)) {
       std::string host(origin_url.host());
       size_t registry_length =
           net::registry_controlled_domains::GetRegistryLength(
               host,
               net::registry_controlled_domains::EXCLUDE_UNKNOWN_REGISTRIES,
               net::registry_controlled_domains::EXCLUDE_PRIVATE_REGISTRIES);
       if (registry_length == 0 && !db_->IsTypedHost(host)) {
         stripped_transition = content::PAGE_TRANSITION_TYPED;
         request_transition =
             content::PageTransitionFromInt(
@@ skipping 2527 matching lines @@
   int rank = kPageVisitStatsMaxTopSites;
   std::map<GURL, int>::const_iterator it = most_visited_urls_map_.find(url);
   if (it != most_visited_urls_map_.end())
     rank = (*it).second;
   UMA_HISTOGRAM_ENUMERATION("History.TopSitesVisitsByRank",
                             rank, kPageVisitStatsMaxTopSites + 1);
 }
 #endif
 
 }  // namespace history