--- firefox-52.0esr.bak/browser/modules/DirectoryLinksProvider.jsm	2017-03-09
+++ firefox-52.0esr/browser/modules/DirectoryLinksProvider.jsm	2017-03-09
@@ -50,16 +50,16 @@
 const DIRECTORY_LINKS_TYPE = "application/json";
 
 // The preference that tells whether to match the OS locale
-const PREF_MATCH_OS_LOCALE = "intl.locale.matchOS";
+const PREF_MATCH_OS_LOCALE = "";
 
 // The preference that tells what locale the user selected
-const PREF_SELECTED_LOCALE = "general.useragent.locale";
+const PREF_SELECTED_LOCALE = "";
 
 // The preference that tells where to obtain directory links
-const PREF_DIRECTORY_SOURCE = "browser.newtabpage.directory.source";
+const PREF_DIRECTORY_SOURCE = "";
 
 // The preference that tells where to send click/view pings
-const PREF_DIRECTORY_PING = "browser.newtabpage.directory.ping";
+const PREF_DIRECTORY_PING = "";
 
 // The preference that tells if newtab is enhanced
 const PREF_NEWTAB_ENHANCED = "browser.newtabpage.enhanced";
@@ -189,30 +189,6 @@
    * @return  the selected locale or "en-US" if none is selected
    */
   get locale() {
-    let matchOS;
-    try {
-      matchOS = Services.prefs.getBoolPref(PREF_MATCH_OS_LOCALE);
-    }
-    catch (e) {}
-
-    if (matchOS) {
-      return Services.locale.getLocaleComponentForUserAgent();
-    }
-
-    try {
-      let locale = Services.prefs.getComplexValue(PREF_SELECTED_LOCALE,
-                                                  Ci.nsIPrefLocalizedString);
-      if (locale) {
-        return locale.data;
-      }
-    }
-    catch (e) {}
-
-    try {
-      return Services.prefs.getCharPref(PREF_SELECTED_LOCALE);
-    }
-    catch (e) {}
-
     return "en-US";
   },
 
@@ -283,13 +259,6 @@
   },
 
   _fetchAndCacheLinks: function DirectoryLinksProvider_fetchAndCacheLinks(uri) {
-    // Replace with the same display locale used for selecting links data
-    uri = uri.replace("%LOCALE%", this.locale);
-    uri = uri.replace("%CHANNEL%", UpdateUtils.UpdateChannel);
-
-    return this._downloadJsonData(uri).then(json => {
-      return OS.File.writeAtomic(this._directoryFilePath, json, {tmpPath: this._directoryFilePath + ".tmp"});
-    });
   },
 
   /**
@@ -298,33 +267,6 @@
    * @return promise resolved to json string, "{}" returned if status != 200
    */
   _downloadJsonData: function DirectoryLinksProvider__downloadJsonData(uri) {
-    let deferred = Promise.defer();
-    let xmlHttp = this._newXHR();
-
-    xmlHttp.onload = function(aResponse) {
-      let json = this.responseText;
-      if (this.status && this.status != 200) {
-        json = "{}";
-      }
-      deferred.resolve(json);
-    };
-
-    xmlHttp.onerror = function(e) {
-      deferred.reject("Fetching " + uri + " results in error code: " + e.target.status);
-    };
-
-    try {
-      xmlHttp.open("GET", uri);
-      // Override the type so XHR doesn't complain about not well-formed XML
-      xmlHttp.overrideMimeType(DIRECTORY_LINKS_TYPE);
-      // Set the appropriate request type for servers that require correct types
-      xmlHttp.setRequestHeader("Content-Type", DIRECTORY_LINKS_TYPE);
-      xmlHttp.send();
-    } catch (e) {
-      deferred.reject("Error fetching " + uri);
-      Cu.reportError(e);
-    }
-    return deferred.promise;
   },
 
   /**
@@ -332,30 +274,6 @@
    * @return promise resolved immediately if no download needed, or upon completion
    */
   _fetchAndCacheLinksIfNecessary: function DirectoryLinksProvider_fetchAndCacheLinksIfNecessary(forceDownload=false) {
-    if (this._downloadDeferred) {
-      // fetching links already - just return the promise
-      return this._downloadDeferred.promise;
-    }
-
-    if (forceDownload || this._needsDownload) {
-      this._downloadDeferred = Promise.defer();
-      this._fetchAndCacheLinks(this._linksURL).then(() => {
-        // the new file was successfully downloaded and cached, so update a timestamp
-        this._lastDownloadMS = Date.now();
-        this._downloadDeferred.resolve();
-        this._downloadDeferred = null;
-        this._callObservers("onManyLinksChanged")
-      },
-      error => {
-        this._downloadDeferred.resolve();
-        this._downloadDeferred = null;
-        this._callObservers("onDownloadFail");
-      });
-      return this._downloadDeferred.promise;
-    }
-
-    // download is not needed
-    return Promise.resolve();
   },
 
   /**
@@ -962,16 +880,6 @@
    */
   _loadInadjacentSites: function DirectoryLinksProvider_loadInadjacentSites() {
     return this._downloadJsonData(this._inadjacentSitesUrl).then(jsonString => {
-      let jsonObject = {};
-      try {
-        jsonObject = JSON.parse(jsonString);
-      }
-      catch (e) {
-        Cu.reportError(e);
-      }
-
-      this._inadjacentSites = new Set(jsonObject.domains);
-    });
   },
 
   /**