--- a/toolkit/components/places/PlacesUtils.jsm
+++ b/toolkit/components/places/PlacesUtils.jsm
@@ -1848,17 +1848,16 @@ var PlacesUtils = {
 
     return rootItem;
   }
 };
 
 XPCOMUtils.defineLazyGetter(PlacesUtils, "history", function() {
   let hs = Cc["@mozilla.org/browser/nav-history-service;1"]
              .getService(Ci.nsINavHistoryService)
-             .QueryInterface(Ci.nsIBrowserHistory)
              .QueryInterface(Ci.nsPIPlacesDatabase);
   return Object.freeze(new Proxy(hs, {
     get(target, name) {
       let property, object;
       if (name in target) {
         property = target[name];
         object = target;
       } else {

--- a/toolkit/components/places/moz.build
+++ b/toolkit/components/places/moz.build
@@ -17,17 +17,16 @@ if CONFIG['MOZ_PLACES']:
     XPIDL_SOURCES += [
         'mozIAsyncFavicons.idl',
         'mozIAsyncHistory.idl',
         'mozIAsyncLivemarks.idl',
         'mozIColorAnalyzer.idl',
         'mozIPlacesAutoComplete.idl',
         'mozIPlacesPendingOperation.idl',
         'nsIAnnotationService.idl',
-        'nsIBrowserHistory.idl',
         'nsIFaviconService.idl',
         'nsINavBookmarksService.idl',
         'nsITaggingService.idl',
         'nsPIPlacesDatabase.idl',
     ]
 
     EXPORTS.mozilla.places = [
         'Database.h',

deleted file mode 100644
--- a/toolkit/components/places/nsIBrowserHistory.idl
+++ /dev/null
@@ -1,48 +0,0 @@
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-/*
- * browser-specific interface to global history
- */
-
-#include "nsISupports.idl"
-#include "nsIGlobalHistory2.idl"
-
-[scriptable, uuid(20d31479-38de-49f4-9300-566d6e834c66)]
-interface nsIBrowserHistory : nsISupports
-{
-    /**
-     * Removes all global history information about pages for a given host.
-     *
-     * @param aHost
-     *        Hostname to be removed.
-     *        An empty host name means local files and anything else with no
-     *        hostname.  You can also pass in the localized "(local files)"
-     *        title given to you from a history query to remove all
-     *        history information from local files.
-     * @param aEntireDomain
-     *        If true, will also delete pages from sub hosts (so if
-     *        passed in "microsoft.com" will delete "www.microsoft.com",
-     *        "msdn.microsoft.com", etc.).
-     *
-     * @note The removal happens in a batch.
-     */
-    void removePagesFromHost(in AUTF8String aHost,
-                             in boolean aEntireDomain);
-
-    /**
-     * Removes all pages for a given timeframe.
-     * Limits are included: aBeginTime <= timeframe <= aEndTime
-     *
-     * @param aBeginTime
-     *        Microseconds from epoch, representing the initial time.
-     * @param aEndTime
-     *        Microseconds from epoch, representing the final time.
-     *
-     * @note The removal happens in a batch.
-     */
-    void removePagesByTimeframe(in PRTime aBeginTime,
-                                in PRTime aEndTime);
-};

--- a/toolkit/components/places/nsNavHistory.cpp
+++ b/toolkit/components/places/nsNavHistory.cpp
@@ -172,29 +172,27 @@ static const char* kObservedPrefs[] = {
 
 NS_IMPL_ADDREF(nsNavHistory)
 NS_IMPL_RELEASE(nsNavHistory)
 
 NS_IMPL_CLASSINFO(nsNavHistory, nullptr, nsIClassInfo::SINGLETON,
                   NS_NAVHISTORYSERVICE_CID)
 NS_INTERFACE_MAP_BEGIN(nsNavHistory)
   NS_INTERFACE_MAP_ENTRY(nsINavHistoryService)
-  NS_INTERFACE_MAP_ENTRY(nsIBrowserHistory)
   NS_INTERFACE_MAP_ENTRY(nsIObserver)
   NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
   NS_INTERFACE_MAP_ENTRY(nsPIPlacesDatabase)
   NS_INTERFACE_MAP_ENTRY(mozIStorageVacuumParticipant)
   NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsINavHistoryService)
   NS_IMPL_QUERY_CLASSINFO(nsNavHistory)
 NS_INTERFACE_MAP_END
 
 // We don't care about flattening everything
 NS_IMPL_CI_INTERFACE_GETTER(nsNavHistory,
-                            nsINavHistoryService,
-                            nsIBrowserHistory)
+                            nsINavHistoryService)
 
 namespace {
 
 static int64_t GetSimpleBookmarksQueryFolder(const RefPtr<nsNavHistoryQuery>& aQuery,
                                              const RefPtr<nsNavHistoryQueryOptions>& aOptions);
 static void ParseSearchTermsFromQuery(const RefPtr<nsNavHistoryQuery>& aQuery,
                                       nsTArray<nsString>* aTerms);
 
@@ -2176,316 +2174,16 @@ nsNavHistory::GetHistoryDisabled(bool *_
 {
   NS_ASSERTION(NS_IsMainThread(), "This can only be called on the main thread");
   NS_ENSURE_ARG_POINTER(_retval);
 
   *_retval = IsHistoryDisabled();
   return NS_OK;
 }
 
-// Browser history *************************************************************
-
-
-// nsNavHistory::RemovePagesInternal
-//
-//    Deletes a list of placeIds from history.
-//    This is an internal method used by RemovePages, RemovePagesFromHost and
-//    RemovePagesByTimeframe.
-//    Takes a comma separated list of place ids.
-//    This method does not do any observer notification.
-
-nsresult
-nsNavHistory::RemovePagesInternal(const nsCString& aPlaceIdsQueryString)
-{
-  // Return early if there is nothing to delete.
-  if (aPlaceIdsQueryString.IsEmpty())
-    return NS_OK;
-
-  nsCOMPtr<mozIStorageConnection> conn = mDB->MainConn();
-  if (!conn) {
-    return NS_ERROR_UNEXPECTED;
-  }
-  mozStorageTransaction transaction(conn, false,
-                                    mozIStorageConnection::TRANSACTION_DEFAULT,
-                                    true);
-
-  // Delete all visits for the specified place ids.
-  nsresult rv = conn->ExecuteSimpleSQL(
-    NS_LITERAL_CSTRING(
-      "DELETE FROM moz_historyvisits WHERE place_id IN (") +
-        aPlaceIdsQueryString +
-        NS_LITERAL_CSTRING(")")
-  );
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  rv = CleanupPlacesOnVisitsDelete(aPlaceIdsQueryString);
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  // Invalidate the cached value for whether there's history or not.
-  mDaysOfHistory = -1;
-
-  return transaction.Commit();
-}
-
-
-/**
- * Performs cleanup on places that just had all their visits removed, including
- * deletion of those places.  This is an internal method used by
- * RemovePagesInternal.  This method does not execute in a transaction, so
- * callers should make sure they begin one if needed.
- *
- * @param aPlaceIdsQueryString
- *        A comma-separated list of place IDs, each of which just had all its
- *        visits removed
- */
-nsresult
-nsNavHistory::CleanupPlacesOnVisitsDelete(const nsCString& aPlaceIdsQueryString)
-{
-  // Return early if there is nothing to delete.
-  if (aPlaceIdsQueryString.IsEmpty())
-    return NS_OK;
-
-  // Collect about-to-be-deleted URIs to notify onDeleteURI.
-  nsCOMPtr<mozIStorageStatement> stmt = mDB->GetStatement(NS_LITERAL_CSTRING(
-    "SELECT h.id, h.url, h.guid, "
-           "(SUBSTR(h.url, 1, 6) <> 'place:' "
-           " AND NOT EXISTS (SELECT b.id FROM moz_bookmarks b "
-                            "WHERE b.fk = h.id LIMIT 1)) as whole_entry "
-    "FROM moz_places h "
-    "WHERE h.id IN ( ") + aPlaceIdsQueryString + NS_LITERAL_CSTRING(")")
-  );
-  NS_ENSURE_STATE(stmt);
-  mozStorageStatementScoper scoper(stmt);
-
-  nsCString filteredPlaceIds;
-  nsCOMArray<nsIURI> URIs;
-  nsTArray<nsCString> GUIDs;
-  bool hasMore;
-  while (NS_SUCCEEDED(stmt->ExecuteStep(&hasMore)) && hasMore) {
-    int64_t placeId;
-    nsresult rv = stmt->GetInt64(0, &placeId);
-    NS_ENSURE_SUCCESS(rv, rv);
-    nsAutoCString URLString;
-    rv = stmt->GetUTF8String(1, URLString);
-    nsCString guid;
-    rv = stmt->GetUTF8String(2, guid);
-    int32_t wholeEntry;
-    rv = stmt->GetInt32(3, &wholeEntry);
-    nsCOMPtr<nsIURI> uri;
-    rv = NS_NewURI(getter_AddRefs(uri), URLString);
-    NS_ENSURE_SUCCESS(rv, rv);
-    if (wholeEntry) {
-      if (!filteredPlaceIds.IsEmpty()) {
-        filteredPlaceIds.Append(',');
-      }
-      filteredPlaceIds.AppendInt(placeId);
-      URIs.AppendElement(uri.forget());
-      GUIDs.AppendElement(guid);
-    }
-    else {
-      // Notify that we will delete all visits for this page, but not the page
-      // itself, since it's bookmarked or a place: query.
-      NOTIFY_OBSERVERS(mCanNotify, mObservers, nsINavHistoryObserver,
-                       OnDeleteVisits(uri, 0, guid, nsINavHistoryObserver::REASON_DELETED, 0));
-    }
-  }
-
-  // if the entry is not bookmarked and is not a place: uri
-  // then we can remove it from moz_places.
-  // Note that we do NOT delete favicons. Any unreferenced favicons will be
-  // deleted next time the browser is shut down.
-  nsCOMPtr<mozIStorageConnection> conn = mDB->MainConn();
-  if (!conn) {
-    return NS_ERROR_UNEXPECTED;
-  }
-  nsresult rv = conn->ExecuteSimpleSQL(
-    NS_LITERAL_CSTRING(
-      "DELETE FROM moz_places WHERE id IN ( "
-        ) + filteredPlaceIds + NS_LITERAL_CSTRING(
-      ") "
-    )
-  );
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  // Expire orphan icons.
-  rv = conn->ExecuteSimpleSQL(NS_LITERAL_CSTRING(
-    "DELETE FROM moz_pages_w_icons "
-    "WHERE page_url_hash NOT IN (SELECT url_hash FROM moz_places) "
-  ));
-  NS_ENSURE_SUCCESS(rv, rv);
-  rv = conn->ExecuteSimpleSQL(NS_LITERAL_CSTRING(
-    "DELETE FROM moz_icons "
-    "WHERE root = 0 AND id NOT IN (SELECT icon_id FROM moz_icons_to_pages) "
-  ));
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  // Hosts accumulated during the places delete are updated through a trigger
-  // (see nsPlacesTriggers.h).
-  rv = conn->ExecuteSimpleSQL(
-    NS_LITERAL_CSTRING("DELETE FROM moz_updatehostsdelete_temp")
-  );
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  // Invalidate frecencies of touched places, since they need recalculation.
-  rv = invalidateFrecencies(aPlaceIdsQueryString);
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  // Finally notify about the removed URIs.
-  for (int32_t i = 0; i < URIs.Count(); ++i) {
-    NOTIFY_OBSERVERS(mCanNotify, mObservers, nsINavHistoryObserver,
-                     OnDeleteURI(URIs[i], GUIDs[i], nsINavHistoryObserver::REASON_DELETED));
-  }
-
-  return NS_OK;
-}
-
-
-// nsNavHistory::RemovePagesFromHost
-//
-//    This function will delete all history information about pages from a
-//    given host. If aEntireDomain is set, we will also delete pages from
-//    sub hosts (so if we are passed in "microsoft.com" we delete
-//    "www.microsoft.com", "msdn.microsoft.com", etc.). An empty host name
-//    means local files and anything else with no host name. You can also pass
-//    in the localized "(local files)" title given to you from a history query.
-//
-//    Silently fails if we have no knowledge of the host.
-//
-//    This sends onBeginUpdateBatch/onEndUpdateBatch to observers
-
-NS_IMETHODIMP
-nsNavHistory::RemovePagesFromHost(const nsACString& aHost, bool aEntireDomain)
-{
-  NS_ASSERTION(NS_IsMainThread(), "This can only be called on the main thread");
-
-  nsresult rv;
-  // Local files don't have any host name. We don't want to delete all files in
-  // history when we get passed an empty string, so force to exact match
-  if (aHost.IsEmpty())
-    aEntireDomain = false;
-
-  // translate "(local files)" to an empty host name
-  // be sure to use the TitleForDomain to get the localized name
-  nsCString localFiles;
-  TitleForDomain(EmptyCString(), localFiles);
-  nsAutoString host16;
-  if (!aHost.Equals(localFiles))
-    CopyUTF8toUTF16(aHost, host16);
-
-  // see BindQueryClauseParameters for how this host selection works
-  nsAutoString revHostDot;
-  GetReversedHostname(host16, revHostDot);
-  NS_ASSERTION(revHostDot[revHostDot.Length() - 1] == '.', "Invalid rev. host");
-  nsAutoString revHostSlash(revHostDot);
-  revHostSlash.Truncate(revHostSlash.Length() - 1);
-  revHostSlash.Append('/');
-
-  // build condition string based on host selection type
-  nsAutoCString conditionString;
-  if (aEntireDomain)
-    conditionString.AssignLiteral("rev_host >= ?1 AND rev_host < ?2 ");
-  else
-    conditionString.AssignLiteral("rev_host = ?1 ");
-
-  // create statement depending on delete type
-  nsCOMPtr<mozIStorageStatement> statement = mDB->GetStatement(
-    NS_LITERAL_CSTRING("SELECT id FROM moz_places WHERE ") + conditionString
-  );
-  NS_ENSURE_STATE(statement);
-  mozStorageStatementScoper scoper(statement);
-
-  rv = statement->BindStringByIndex(0, revHostDot);
-  NS_ENSURE_SUCCESS(rv, rv);
-  if (aEntireDomain) {
-    rv = statement->BindStringByIndex(1, revHostSlash);
-    NS_ENSURE_SUCCESS(rv, rv);
-  }
-
-  nsCString hostPlaceIds;
-  bool hasMore = false;
-  while (NS_SUCCEEDED(statement->ExecuteStep(&hasMore)) && hasMore) {
-    if (!hostPlaceIds.IsEmpty())
-      hostPlaceIds.Append(',');
-    int64_t placeId;
-    rv = statement->GetInt64(0, &placeId);
-    NS_ENSURE_SUCCESS(rv, rv);
-    hostPlaceIds.AppendInt(placeId);
-  }
-
-  // force a full refresh calling onEndUpdateBatch (will call Refresh())
-  UpdateBatchScoper batch(*this); // sends Begin/EndUpdateBatch to observers
-
-  rv = RemovePagesInternal(hostPlaceIds);
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  // Clear the registered embed visits.
-  clearEmbedVisits();
-
-  return NS_OK;
-}
-
-
-// nsNavHistory::RemovePagesByTimeframe
-//
-//    This function will delete all history information about
-//    pages for a given timeframe.
-//    Limits are included: aBeginTime <= timeframe <= aEndTime
-//
-//    This method sends onBeginUpdateBatch/onEndUpdateBatch to observers
-
-NS_IMETHODIMP
-nsNavHistory::RemovePagesByTimeframe(PRTime aBeginTime, PRTime aEndTime)
-{
-  NS_ASSERTION(NS_IsMainThread(), "This can only be called on the main thread");
-
-  nsresult rv;
-  // build a list of place ids to delete
-  nsCString deletePlaceIdsQueryString;
-
-  // we only need to know if a place has a visit into the given timeframe
-  // this query is faster than actually selecting in moz_historyvisits
-  nsCOMPtr<mozIStorageStatement> selectByTime = mDB->GetStatement(
-    "SELECT h.id FROM moz_places h WHERE "
-      "EXISTS "
-        "(SELECT id FROM moz_historyvisits v WHERE v.place_id = h.id "
-          "AND v.visit_date >= :from_date AND v.visit_date <= :to_date LIMIT 1)"
-  );
-  NS_ENSURE_STATE(selectByTime);
-  mozStorageStatementScoper selectByTimeScoper(selectByTime);
-
-  rv = selectByTime->BindInt64ByName(NS_LITERAL_CSTRING("from_date"), aBeginTime);
-  NS_ENSURE_SUCCESS(rv, rv);
-  rv = selectByTime->BindInt64ByName(NS_LITERAL_CSTRING("to_date"), aEndTime);
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  bool hasMore = false;
-  while (NS_SUCCEEDED(selectByTime->ExecuteStep(&hasMore)) && hasMore) {
-    int64_t placeId;
-    rv = selectByTime->GetInt64(0, &placeId);
-    NS_ENSURE_SUCCESS(rv, rv);
-    if (placeId != 0) {
-      if (!deletePlaceIdsQueryString.IsEmpty())
-        deletePlaceIdsQueryString.Append(',');
-      deletePlaceIdsQueryString.AppendInt(placeId);
-    }
-  }
-
-  // force a full refresh calling onEndUpdateBatch (will call Refresh())
-  UpdateBatchScoper batch(*this); // sends Begin/EndUpdateBatch to observers
-
-  rv = RemovePagesInternal(deletePlaceIdsQueryString);
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  // Clear the registered embed visits.
-  clearEmbedVisits();
-
-  return NS_OK;
-}
-
-
 // Call this method before visiting a URL in order to help determine the
 // transition type of the visit.
 //
 // @see MarkPageAsFollowedBookmark
 
 NS_IMETHODIMP
 nsNavHistory::MarkPageAsTyped(nsIURI *aURI)
 {
@@ -3351,26 +3049,19 @@ nsNavHistory::registerEmbedVisit(nsIURI*
 
 bool
 nsNavHistory::hasEmbedVisit(nsIURI* aURI) {
   NS_ASSERTION(NS_IsMainThread(), "This can only be called on the main thread");
 
   return !!mEmbedVisits.GetEntry(aURI);
 }
 
-void
-nsNavHistory::clearEmbedVisits() {
-  NS_ASSERTION(NS_IsMainThread(), "This can only be called on the main thread");
-
-  mEmbedVisits.Clear();
-}
-
 NS_IMETHODIMP
 nsNavHistory::ClearEmbedVisits() {
-  clearEmbedVisits();
+  mEmbedVisits.Clear();
   return NS_OK;
 }
 
 NS_IMETHODIMP
 nsNavHistory::MakeGuid(nsACString& aGuid) {
   if (NS_FAILED(GenerateGUID(aGuid))) {
     MOZ_ASSERT(false, "Shouldn't fail to create a guid!");
     aGuid.SetIsVoid(true);
@@ -3827,34 +3518,16 @@ nsNavHistory::SendPageChangedNotificatio
                                           const nsAString& aNewValue,
                                           const nsACString& aGUID)
 {
   MOZ_ASSERT(!aGUID.IsEmpty());
   NOTIFY_OBSERVERS(mCanNotify, mObservers, nsINavHistoryObserver,
                    OnPageChanged(aURI, aChangedAttribute, aNewValue, aGUID));
 }
 
-// nsNavHistory::TitleForDomain
-//
-//    This computes the title for a given domain. Normally, this is just the
-//    domain name, but we specially handle empty cases to give you a nice
-//    localized string.
-
-void
-nsNavHistory::TitleForDomain(const nsCString& domain, nsACString& aTitle)
-{
-  if (! domain.IsEmpty()) {
-    aTitle = domain;
-    return;
-  }
-
-  // use the localized one instead
-  GetStringFromName("localhost", aTitle);
-}
-
 void
 nsNavHistory::GetAgeInDaysString(int32_t aInt, const char* aName,
                                  nsACString& aResult)
 {
   nsIStringBundle *bundle = GetBundle();
   if (bundle) {
     nsAutoString intString;
     intString.AppendInt(aInt);

--- a/toolkit/components/places/nsNavHistory.h
+++ b/toolkit/components/places/nsNavHistory.h
@@ -3,19 +3,19 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 #ifndef nsNavHistory_h_
 #define nsNavHistory_h_
 
 #include "nsINavHistoryService.h"
 #include "nsPIPlacesDatabase.h"
-#include "nsIBrowserHistory.h"
 #include "nsINavBookmarksService.h"
 #include "nsIFaviconService.h"
+#include "nsIGlobalHistory2.h"
 
 #include "nsIObserverService.h"
 #include "nsICollation.h"
 #include "nsIStringBundle.h"
 #include "nsITimer.h"
 #include "nsMaybeWeakPtr.h"
 #include "nsCategoryCache.h"
 #include "nsNetCID.h"
@@ -73,28 +73,26 @@ class nsIIDNService;
 class PlacesSQLQueryBuilder;
 class nsIAutoCompleteController;
 
 // nsNavHistory
 
 class nsNavHistory final : public nsSupportsWeakReference
                          , public nsINavHistoryService
                          , public nsIObserver
-                         , public nsIBrowserHistory
                          , public nsPIPlacesDatabase
                          , public mozIStorageVacuumParticipant
 {
   friend class PlacesSQLQueryBuilder;
 
 public:
   nsNavHistory();
 
   NS_DECL_THREADSAFE_ISUPPORTS
   NS_DECL_NSINAVHISTORYSERVICE
-  NS_DECL_NSIBROWSERHISTORY
   NS_DECL_NSIOBSERVER
   NS_DECL_NSPIPLACESDATABASE
   NS_DECL_MOZISTORAGEVACUUMPARTICIPANT
 
   /**
    * Obtains the nsNavHistory object.
    */
   static already_AddRefed<nsNavHistory> GetSingleton();
@@ -347,21 +345,16 @@ public:
    * Returns whether the specified url has a embed visit.
    *
    * @param aURI
    *        URI of the page.
    * @return whether the page has a embed visit.
    */
   bool hasEmbedVisit(nsIURI* aURI);
 
-  /**
-   * Clears all registered embed visits.
-   */
-  void clearEmbedVisits();
-
   int32_t GetFrecencyAgedWeight(int32_t aAgeInDays) const
   {
     if (aAgeInDays <= mFirstBucketCutoffInDays) {
       return mFirstBucketWeight;
     }
     if (aAgeInDays <= mSecondBucketCutoffInDays) {
       return mSecondBucketWeight;
     }
@@ -507,19 +500,16 @@ protected:
   // Database handle.
   RefPtr<mozilla::places::Database> mDB;
 
   /**
    * Decays frecency and inputhistory values.  Runs on idle-daily.
    */
   nsresult DecayFrecency();
 
-  nsresult RemovePagesInternal(const nsCString& aPlaceIdsQueryString);
-  nsresult CleanupPlacesOnVisitsDelete(const nsCString& aPlaceIdsQueryString);
-
   /**
    * Loads all of the preferences that we use into member variables.
    *
    * @note If mPrefBranch is nullptr, this does nothing.
    */
   void LoadPrefs();
 
   /**
@@ -548,18 +538,16 @@ protected:
   nsresult BindQueryClauseParameters(mozIStorageBaseStatement* statement,
                                      const RefPtr<nsNavHistoryQuery>& aQuery,
                                      const RefPtr<nsNavHistoryQueryOptions>& aOptions);
 
   nsresult ResultsAsList(mozIStorageStatement* statement,
                          nsNavHistoryQueryOptions* aOptions,
                          nsCOMArray<nsNavHistoryResultNode>* aResults);
 
-  void TitleForDomain(const nsCString& domain, nsACString& aTitle);
-
   // observers
   nsMaybeWeakPtrArray<nsINavHistoryObserver> mObservers;
 
   // effective tld service
   nsCOMPtr<nsIEffectiveTLDService> mTLDService;
   nsCOMPtr<nsIIDNService>          mIDNService;
 
   // localization