Remove NOTIFICATION_HISTORY_URLS_DELETED

chrome/browser/history/in_memory_url_index.cc

Index: chrome/browser/history/in_memory_url_index.cc
diff --git a/chrome/browser/history/in_memory_url_index.cc b/chrome/browser/history/in_memory_url_index.cc
index 74ad2a07063e068a6fc88a59cdd1585f2e5f943d..dde249e670cbee57b7360ea65b7fd2b34c787e53 100644
--- a/chrome/browser/history/in_memory_url_index.cc
+++ b/chrome/browser/history/in_memory_url_index.cc
@@ -18,9 +18,6 @@
 #include "components/bookmarks/browser/bookmark_model.h"
 #include "components/history/core/browser/url_database.h"
 #include "content/public/browser/browser_thread.h"
-#include "content/public/browser/notification_details.h"
-#include "content/public/browser/notification_service.h"
-#include "content/public/browser/notification_source.h"
 
 using in_memory_url_index::InMemoryURLIndexCacheItem;
 
@@ -106,11 +103,7 @@ InMemoryURLIndex::InMemoryURLIndex(Profile* profile,
       needs_to_be_cached_(false),
       history_service_observer_(this) {
   InitializeSchemeWhitelist(&scheme_whitelist_);
-  if (profile) {
-    // TODO(mrossetti): Register for language change notifications.
-    content::Source<Profile> source(profile);
-    registrar_.Add(this, chrome::NOTIFICATION_HISTORY_URLS_DELETED, source);
-  }
+  // TODO(mrossetti): Register for language change notifications.
   if (history_service_)
     history_service_observer_.Add(history_service_);
 }
@@ -142,7 +135,6 @@ void InMemoryURLIndex::Init() {
 
 void InMemoryURLIndex::ShutDown() {
   history_service_observer_.RemoveAll();
-  registrar_.RemoveAll();
   cache_reader_tracker_.TryCancelAll();
   shutdown_ = true;
   base::FilePath path;
@@ -184,21 +176,6 @@ void InMemoryURLIndex::DeleteURL(const GURL& url) {
   private_data_->DeleteURL(url);
 }
 
-void InMemoryURLIndex::Observe(int notification_type,
-                               const content::NotificationSource& source,
-                               const content::NotificationDetails& details) {
-  switch (notification_type) {
-    case chrome::NOTIFICATION_HISTORY_URLS_DELETED:
-      OnURLsDeleted(
-          content::Details<history::URLsDeletedDetails>(details).ptr());
-      break;
-    default:
-      // For simplicity, the unit tests send us all notifications, even when
-      // we haven't registered for them, so don't assert here.
-      break;
-  }
-}
-
 void InMemoryURLIndex::OnURLVisited(HistoryService* history_service,
                                     ui::PageTransition transition,
                                     const URLRow& row,
@@ -224,17 +201,14 @@ void InMemoryURLIndex::OnURLsModified(HistoryService* history_service,
   }
 }
 
-void InMemoryURLIndex::OnHistoryServiceLoaded(HistoryService* history_service) {
-  ScheduleRebuildFromHistory();
-}
-
-void InMemoryURLIndex::OnURLsDeleted(const URLsDeletedDetails* details) {
-  if (details->all_history) {
+void InMemoryURLIndex::OnURLsDeleted(HistoryService* history_service,
+                                     const URLsDeletedDetails& details) {
+  if (details.all_history) {
     ClearPrivateData();
     needs_to_be_cached_ = true;
   } else {
-    for (URLRows::const_iterator row = details->rows.begin();
-         row != details->rows.end(); ++row)
+    for (URLRows::const_iterator row = details.rows.begin();
+         row != details.rows.end(); ++row)
       needs_to_be_cached_ |= private_data_->DeleteURL(row->url());
   }
   // If we made changes, destroy the previous cache.  Otherwise, if we go
@@ -258,6 +232,10 @@ void InMemoryURLIndex::OnURLsDeleted(const URLsDeletedDetails* details) {
   }
 }
 
+void InMemoryURLIndex::OnHistoryServiceLoaded(HistoryService* history_service) {
+  ScheduleRebuildFromHistory();
+}
+
 // Restoring from Cache --------------------------------------------------------
 
 void InMemoryURLIndex::PostRestoreFromCacheFileTask() {