[ChromeOS] Move ChromeOS upgrade check logic into UpgradeDetector.

chrome/browser/chromeos/cros/update_library.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/chromeos/cros/update_library.h"
 
 #include "base/message_loop.h"
 #include "base/string_util.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
 #include "content/browser/browser_thread.h"
-#include "content/common/notification_service.h"
-#include "content/common/notification_type.h"
 
 namespace chromeos {
 
 class UpdateLibraryImpl : public UpdateLibrary {
  public:
   UpdateLibraryImpl()
     : status_connection_(NULL) {
     if (CrosLibrary::Get()->EnsureLoaded()) {
       Init();
     }
@@ skipping 61 matching lines @@
     // Make sure we run on UI thread.
     if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
       BrowserThread::PostTask(
           BrowserThread::UI, FROM_HERE,
           NewRunnableMethod(this, &UpdateLibraryImpl::UpdateStatus, status));
       return;
     }
 
     status_ = status;
     FOR_EACH_OBSERVER(Observer, observers_, UpdateStatusChanged(this));
-
-    // If the update is ready to install, send a notification so that Chrome
-    // can update the UI.
-    if (status_.status == UPDATE_STATUS_UPDATED_NEED_REBOOT) {
-      NotificationService::current()->Notify(
-          NotificationType::UPGRADE_RECOMMENDED,
-          Source<UpdateLibrary>(this),
-          NotificationService::NoDetails());
-    }
   }
 
   ObserverList<Observer> observers_;
 
   // A reference to the update api, to allow callbacks when the update
   // status changes.
   UpdateStatusConnection status_connection_;
 
   // The latest power status.
   Status status_;
@@ skipping 35 matching lines @@
     return new UpdateLibraryStubImpl();
   else
     return new UpdateLibraryImpl();
 }
 
 }  // namespace chromeos
 
 // Allows InvokeLater without adding refcounting. This class is a Singleton and
 // won't be deleted until it's last InvokeLater is run.
 DISABLE_RUNNABLE_METHOD_REFCOUNT(chromeos::UpdateLibraryImpl);