[Most Visited] Removing Most Visited Tiles experiment code, which is obsolete.

chrome/browser/ui/webui/ntp/most_visited_handler.cc

Index: chrome/browser/ui/webui/ntp/most_visited_handler.cc
diff --git a/chrome/browser/ui/webui/ntp/most_visited_handler.cc b/chrome/browser/ui/webui/ntp/most_visited_handler.cc
index 351edb285d41bb5ddee69117253c1a6226147181..bdaf321efcd6476832373850311923e6fb7183c4 100644
--- a/chrome/browser/ui/webui/ntp/most_visited_handler.cc
+++ b/chrome/browser/ui/webui/ntp/most_visited_handler.cc
@@ -21,8 +21,6 @@
 #include "base/threading/thread.h"
 #include "base/values.h"
 #include "chrome/browser/chrome_notification_types.h"
-#include "chrome/browser/history/most_visited_tiles_experiment.h"
-#include "chrome/browser/history/page_usage_data.h"
 #include "chrome/browser/history/top_sites.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/thumbnails/thumbnail_list_source.h"
@@ -144,12 +142,9 @@ void MostVisitedHandler::SendPagesValue() {
         profile->GetPrefs()->GetDictionary(prefs::kNtpMostVisitedURLsBlacklist);
     bool has_blacklisted_urls = !url_blacklist->empty();
     history::TopSites* ts = profile->GetTopSites();
-    if (ts) {
+    if (ts)
       has_blacklisted_urls = ts->HasBlacklistedItems();
 
-      MaybeRemovePageValues();
-    }
-
     base::FundamentalValue has_blacklisted_urls_value(has_blacklisted_urls);
     web_ui()->CallJavascriptFunction("ntp.setMostVisitedPages",
                                      *pages_value_,
@@ -223,8 +218,6 @@ void MostVisitedHandler::SetPagesValueFromTopSites(
   pages_value_.reset(new base::ListValue);
 
   history::MostVisitedURLList top_sites(data);
-  history::MostVisitedTilesExperiment::MaybeShuffle(&top_sites);
-
   for (size_t i = 0; i < top_sites.size(); i++) {
     const history::MostVisitedURL& url = top_sites[i];
     base::DictionaryValue* page_value = new base::DictionaryValue();
@@ -269,25 +262,6 @@ std::string MostVisitedHandler::GetDictionaryKeyForUrl(const std::string& url) {
   return base::MD5String(url);
 }
 
-void MostVisitedHandler::MaybeRemovePageValues() {
-  if (!history::MostVisitedTilesExperiment::IsDontShowOpenURLsEnabled())
-    return;
-
-  TabStripModel* tab_strip_model = chrome::FindBrowserWithWebContents(
-      web_ui()->GetWebContents())->tab_strip_model();
-  history::TopSites* top_sites = Profile::FromWebUI(web_ui())->GetTopSites();
-  if (!tab_strip_model || !top_sites) {
-    NOTREACHED();
-    return;
-  }
-
-  std::set<std::string> open_urls;
-  chrome::GetOpenUrls(*tab_strip_model, *top_sites, &open_urls);
-  history::MostVisitedTilesExperiment::RemovePageValuesMatchingOpenTabs(
-      open_urls,
-      pages_value_.get());
-}
-
 // static
 void MostVisitedHandler::RegisterProfilePrefs(
     user_prefs::PrefRegistrySyncable* registry) {