Remove ...LOADED_DEPRECATED and its friends

extensions/test/extension_test_notification_observer.cc

Index: extensions/test/extension_test_notification_observer.cc
diff --git a/extensions/test/extension_test_notification_observer.cc b/extensions/test/extension_test_notification_observer.cc
index 0e4d75d0ccdcbfa8cfe6e07dfb27c4b3ab52ef06..5639f56d7360917784265e750917609f10b5aee5 100644
--- a/extensions/test/extension_test_notification_observer.cc
+++ b/extensions/test/extension_test_notification_observer.cc
@@ -74,7 +74,11 @@ ExtensionTestNotificationObserver::ExtensionTestNotificationObserver(
     : context_(context),
       extension_installs_observed_(0),
       extension_load_errors_observed_(0),
-      crx_installers_done_observed_(0) {}
+      crx_installers_done_observed_(0),
+      registry_observer_(this) {
+  if (context_)
+    registry_observer_.Add(ExtensionRegistry::Get(context_));
+}
 
 ExtensionTestNotificationObserver::~ExtensionTestNotificationObserver() {}
 
@@ -100,10 +104,6 @@ bool ExtensionTestNotificationObserver::WaitForExtensionInstallError() {
   return extension_installs_observed_ == before;
 }
 
-void ExtensionTestNotificationObserver::WaitForExtensionLoad() {
-  WaitForNotification(NOTIFICATION_EXTENSION_LOADED_DEPRECATED);
-}
-
 bool ExtensionTestNotificationObserver::WaitForExtensionLoadError() {
   int before = extension_load_errors_observed_;
   WaitForNotification(NOTIFICATION_EXTENSION_LOAD_ERROR);
@@ -150,12 +150,6 @@ void ExtensionTestNotificationObserver::Observe(
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
   switch (type) {
-    case NOTIFICATION_EXTENSION_LOADED_DEPRECATED:
-      last_loaded_extension_id_ =
-          content::Details<const Extension>(details).ptr()->id();
-      VLOG(1) << "Got EXTENSION_LOADED notification.";
-      break;
-
     case NOTIFICATION_CRX_INSTALLER_DONE:
       VLOG(1) << "Got CRX_INSTALLER_DONE notification.";
       {
@@ -180,6 +174,18 @@ void ExtensionTestNotificationObserver::Observe(
   }
 }
 
+void ExtensionTestNotificationObserver::OnExtensionLoaded(
+    content::BrowserContext* browser_context,
+    const Extension* extension) {
+  last_loaded_extension_id_ = extension->id();
+  VLOG(1) << "Got EXTENSION_LOADED notification.";
+}
+
+void ExtensionTestNotificationObserver::OnShutdown(
+    ExtensionRegistry* registry) {
+  registry_observer_.RemoveAll();
+}
+
 void ExtensionTestNotificationObserver::WaitForCondition(
     const ConditionCallback& condition,
     NotificationSet* notification_set) {