Revert of Use ExtensionRegistryObserver

chrome/browser/autocomplete/shortcuts_provider_unittest.cc

Index: chrome/browser/autocomplete/shortcuts_provider_unittest.cc
diff --git a/chrome/browser/autocomplete/shortcuts_provider_unittest.cc b/chrome/browser/autocomplete/shortcuts_provider_unittest.cc
index a2a8b1afa1c7e8bf193fbd5be5791153da5d2f50..bb3ca8d0ebe06b7336d5a1e7c12e9589084cb3a8 100644
--- a/chrome/browser/autocomplete/shortcuts_provider_unittest.cc
+++ b/chrome/browser/autocomplete/shortcuts_provider_unittest.cc
@@ -32,7 +32,6 @@
 #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"
@@ -842,10 +841,12 @@
               .Set("version", "1.0"))
           .SetID("cedabbhfglmiikkmdgcpjdkocfcmbkee")
           .Build();
-  extensions::ExtensionRegistry* registry =
-      extensions::ExtensionRegistry::Get(&profile_);
-  registry->TriggerOnUnloaded(
+  extensions::UnloadedExtensionInfo details(
       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());