Remove InstallTracker's extension installed, uninstalled observers.

chrome/browser/extensions/install_tracker.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/extensions/install_tracker.h"
 
 #include "base/bind.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/extensions/install_tracker_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/pref_names.h"
 #include "content/public/browser/notification_service.h"
 #include "extensions/browser/extension_prefs.h"
-#include "extensions/browser/extension_registry.h"
 #include "extensions/browser/pref_names.h"
 
 namespace extensions {
 
 InstallTracker::InstallTracker(Profile* profile,
-                               extensions::ExtensionPrefs* prefs)
-    : extension_registry_observer_(this) {
-  extension_registry_observer_.Add(ExtensionRegistry::Get(profile));
-
-  registrar_.Add(this,
-                 chrome::NOTIFICATION_EXTENSION_UNINSTALLED_DEPRECATED,
-                 content::Source<Profile>(profile));
+                               extensions::ExtensionPrefs* prefs) {
   registrar_.Add(this,
                  chrome::NOTIFICATION_EXTENSION_UPDATE_DISABLED,
                  content::Source<Profile>(profile));
   AppSorting* sorting = prefs->app_sorting();
   registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_LAUNCHER_REORDERED,
       content::Source<AppSorting>(sorting));
   registrar_.Add(this, chrome::NOTIFICATION_APP_INSTALLED_TO_APPLIST,
       content::Source<Profile>(profile));
 
   pref_change_registrar_.Init(prefs->pref_service());
@@ skipping 54 matching lines @@
 }
 
 void InstallTracker::Shutdown() {
   FOR_EACH_OBSERVER(InstallObserver, observers_, OnShutdown());
 }
 
 void InstallTracker::Observe(int type,
                              const content::NotificationSource& source,
                              const content::NotificationDetails& details) {
   switch (type) {
-    case chrome::NOTIFICATION_EXTENSION_UNINSTALLED_DEPRECATED: {
-      const Extension* extension =
-          content::Details<const Extension>(details).ptr();
-
-      FOR_EACH_OBSERVER(InstallObserver, observers_,
-                        OnExtensionUninstalled(extension));
-      break;
-    }
     case chrome::NOTIFICATION_EXTENSION_UPDATE_DISABLED: {
       const Extension* extension =
           content::Details<const Extension>(details).ptr();
       FOR_EACH_OBSERVER(
           InstallObserver, observers_, OnDisabledExtensionUpdated(extension));
       break;
     }
     case chrome::NOTIFICATION_EXTENSION_LAUNCHER_REORDERED: {
       FOR_EACH_OBSERVER(InstallObserver, observers_, OnAppsReordered());
       break;
     }
     case chrome::NOTIFICATION_APP_INSTALLED_TO_APPLIST: {
       const std::string& extension_id(
           *content::Details<const std::string>(details).ptr());
       FOR_EACH_OBSERVER(InstallObserver, observers_,
                         OnAppInstalledToAppList(extension_id));
       break;
     }
     default:
       NOTREACHED();
   }
 }
 
-void InstallTracker::OnExtensionWillBeInstalled(
-    content::BrowserContext* browser_context,
-    const Extension* extension,
-    bool is_update,
-    bool from_ephemeral,
-    const std::string& old_name) {
-  FOR_EACH_OBSERVER(
-      InstallObserver, observers_, OnExtensionInstalled(extension));
-}
-
 void InstallTracker::OnAppsReordered() {
   FOR_EACH_OBSERVER(InstallObserver, observers_, OnAppsReordered());
 }
 
 }  // namespace extensions