Add a Create method to DesktopNotificationHandler and stubs for the notification objects.

chrome/browser/notifications/desktop_notifications_unittest.cc

 // Copyright (c) 2011 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/notifications/desktop_notifications_unittest.h"
 
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/prefs/browser_prefs.h"
 #include "chrome/common/pref_names.h"
@@ skipping 67 matching lines @@
     : ui_thread_(BrowserThread::UI, &message_loop_) {
 }
 
 DesktopNotificationsTest::~DesktopNotificationsTest() {
 }
 
 void DesktopNotificationsTest::SetUp() {
   browser::RegisterLocalState(&local_state_);
   profile_.reset(new TestingProfile());
   balloon_collection_ = new MockBalloonCollection();
-  ui_manager_.reset(new NotificationUIManager(&local_state_));
-  ui_manager_->Initialize(balloon_collection_);
-  balloon_collection_->set_space_change_listener(ui_manager_.get());
+  ui_manager_.reset(NotificationUIManager::Create(&local_state_,
+                                                  balloon_collection_));
   service_.reset(new DesktopNotificationService(profile(), ui_manager_.get()));
   log_output_.clear();
 }
 
 void DesktopNotificationsTest::TearDown() {
   service_.reset(NULL);
   ui_manager_.reset(NULL);
   profile_.reset(NULL);
 }
 
@@ skipping 335 matching lines @@
   }
 
   // Now change the position to upper left.  Confirm that the X value for the
   // balloons gets smaller.
   local_state_.SetInteger(prefs::kDesktopNotificationPosition,
                           BalloonCollection::UPPER_LEFT);
 
   int current_x = (*balloons.begin())->GetPosition().x();
   EXPECT_LT(current_x, last_x);
 }