[NTP Popular Sites] Bump default version to 5

chrome/browser/android/ntp/popular_sites.cc

 // Copyright 2013 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/android/ntp/popular_sites.h"
 
 #include <stddef.h>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 21 matching lines @@
 #include "components/variations/service/variations_service.h"
 #include "content/public/browser/browser_thread.h"
 
 using content::BrowserThread;
 
 namespace {
 
 const char kPopularSitesURLFormat[] = "https://www.gstatic.com/chrome/ntp/%s";
 const char kPopularSitesServerFilenameFormat[] = "suggested_sites_%s_%s.json";
 const char kPopularSitesDefaultCountryCode[] = "DEFAULT";
-const char kPopularSitesDefaultVersion[] = "3";
+const char kPopularSitesDefaultVersion[] = "5";
 const char kPopularSitesLocalFilename[] = "suggested_sites.json";
 const int kPopularSitesRedownloadIntervalHours = 24;
 
 const char kPopularSitesLastDownloadPref[] = "popular_sites_last_download";
 
 // Extract the country from the default search engine if the default search
 // engine is Google.
 std::string GetDefaultSearchEngineCountryCode(Profile* profile) {
   DCHECK(profile);
 
@@ skipping 224 matching lines @@
       base::Bind(&PopularSites::OnJsonParsed, weak_ptr_factory_.GetWeakPtr()));
 }
 
 void PopularSites::OnJsonParsed(scoped_ptr<std::vector<Site>> sites) {
   if (sites)
     sites_.swap(*sites);
   else
     sites_.clear();
   callback_.Run(!!sites);
 }