Revert of Use ExtensionRegistryObserver

chrome/browser/autocomplete/extension_app_provider_unittest.cc

Index: chrome/browser/autocomplete/extension_app_provider_unittest.cc
diff --git a/chrome/browser/autocomplete/extension_app_provider_unittest.cc b/chrome/browser/autocomplete/extension_app_provider_unittest.cc
index f75c56d383b0d9b26a070aac5c9e602ca7cf02ce..0ac201aca120570dcd129d83764b7041fd9d2474 100644
--- a/chrome/browser/autocomplete/extension_app_provider_unittest.cc
+++ b/chrome/browser/autocomplete/extension_app_provider_unittest.cc
@@ -26,9 +26,7 @@
 
   ExtensionAppProviderTest()
       : ui_thread_(content::BrowserThread::UI, &message_loop_),
-        profile_(new TestingProfile),
-        app_provider_(new ExtensionAppProvider(NULL, profile_.get())),
-        history_service_(NULL) {}
+        history_service_(NULL) { }
   virtual ~ExtensionAppProviderTest() { }
 
   virtual void SetUp() OVERRIDE;
@@ -39,17 +37,20 @@
  protected:
   base::MessageLoopForUI message_loop_;
   content::TestBrowserThread ui_thread_;
+  scoped_refptr<ExtensionAppProvider> app_provider_;
   scoped_ptr<TestingProfile> profile_;
-  scoped_refptr<ExtensionAppProvider> app_provider_;
   HistoryService* history_service_;
 };
 
 void ExtensionAppProviderTest::SetUp() {
+  profile_.reset(new TestingProfile());
   ASSERT_TRUE(profile_->CreateHistoryService(true, false));
   profile_->BlockUntilHistoryProcessesPendingRequests();
   history_service_ =
       HistoryServiceFactory::GetForProfile(profile_.get(),
                                            Profile::EXPLICIT_ACCESS);
+
+  app_provider_ = new ExtensionAppProvider(NULL, profile_.get());
 
   struct TestExtensionApp {
     const char* app_name;