Dedupe code in SetIdleInstallInfo(), FinishIdleInstallInfo() and OnExtensionInstalled().

chrome/browser/extensions/extension_service.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/extensions/extension_service.h"
 
 #include <algorithm>
 #include <iterator>
 #include <set>
 
@@ skipping 2442 matching lines @@
   }
 
   // Certain extension locations are specific enough that we can
   // auto-acknowledge any extension that came from one of them.
   if (extension->location() == Extension::EXTERNAL_POLICY_DOWNLOAD)
     AcknowledgeExternalExtension(extension->id());
 
   if (ShouldDelayExtensionUpdate(id, wait_for_idle)) {
     extension_prefs_->SetIdleInstallInfo(
         extension,
-        initial_enable ? Extension::ENABLED : Extension::DISABLED);
+        initial_enable ? Extension::ENABLED : Extension::DISABLED,
+        page_ordinal);
 
     // Transfer ownership of |extension|.
     pending_extension_updates_.Insert(extension);
 
     // Notify extension of available update.
     extensions::RuntimeEventRouter::DispatchOnUpdateAvailableEvent(
         profile_, id, extension->manifest()->value());
     return;
   }
 
@@ skipping 647 matching lines @@
     scoped_refptr<const Extension> extension = GetInstalledExtension(*it);
     DCHECK(extension);
     if (!extension)
       continue;
     blacklisted_extensions_.Insert(extension);
     UnloadExtension(*it, extension_misc::UNLOAD_REASON_BLACKLIST);
   }
 
   IdentifyAlertableExtensions();
 }