Use ExtensionRegistryObserver instead of deprecated extension notification from autocomplete

chrome/browser/autocomplete/shortcuts_provider_unittest.cc

 // Copyright (c) 2012 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/autocomplete/shortcuts_provider.h"
 
 #include <math.h>
 
 #include <algorithm>
 #include <functional>
@@ skipping 14 matching lines @@
 #include "chrome/browser/autocomplete/shortcuts_backend.h"
 #include "chrome/browser/autocomplete/shortcuts_backend_factory.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/history/history_service.h"
 #include "chrome/browser/history/in_memory_url_index.h"
 #include "chrome/browser/history/url_database.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/test/test_browser_thread.h"
+#include "extensions/browser/extension_registry.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/extension_builder.h"
 #include "extensions/common/value_builder.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using base::ASCIIToUTF16;
 
 // TestShortcutInfo -----------------------------------------------------------
 
 namespace {
@@ skipping 789 matching lines @@
   RunTest(text, false, expected_urls, expected_url, ASCIIToUTF16(" echo"));
 
   // Claim the extension has been unloaded.
   scoped_refptr<const extensions::Extension> extension =
       extensions::ExtensionBuilder()
           .SetManifest(extensions::DictionaryBuilder()
               .Set("name", "Echo")
               .Set("version", "1.0"))
           .SetID("cedabbhfglmiikkmdgcpjdkocfcmbkee")
           .Build();
-  extensions::UnloadedExtensionInfo details(
+  extensions::ExtensionRegistry* registry =
+      extensions::ExtensionRegistry::Get(&profile_);
+  registry->TriggerOnUnloaded(
       extension.get(), extensions::UnloadedExtensionInfo::REASON_UNINSTALL);
-  content::NotificationService::current()->Notify(
-      chrome::NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED,
-      content::Source<Profile>(&profile_),
-      content::Details<extensions::UnloadedExtensionInfo>(&details));
 
   // Now the URL should have disappeared.
   RunTest(text, false, ExpectedURLs(), std::string(), base::string16());
 }