Change extension unload notification to indicate updates....

chrome/browser/extensions/image_loading_tracker.cc

 // Copyright (c) 2010 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/image_loading_tracker.h"
 
 #include "base/file_util.h"
 #include "chrome/browser/browser_thread.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_resource.h"
@@ skipping 105 matching lines @@
 };
 
 ////////////////////////////////////////////////////////////////////////////////
 // ImageLoadingTracker
 
 ImageLoadingTracker::ImageLoadingTracker(Observer* observer)
     : observer_(observer),
       next_id_(0) {
   registrar_.Add(this, NotificationType::EXTENSION_UNLOADED,
                  NotificationService::AllSources());
-  registrar_.Add(this, NotificationType::EXTENSION_UNLOADED_DISABLED,
-                 NotificationService::AllSources());
 }
 
 ImageLoadingTracker::~ImageLoadingTracker() {
   // The loader is created lazily and is NULL if the tracker is destroyed before
   // any valid image load tasks have been posted.
   if (loader_)
     loader_->StopTracking();
 }
 
 void ImageLoadingTracker::LoadImage(const Extension* extension,
@@ skipping 39 matching lines @@
                               original_size);
     load_map_.erase(i);
   }
 
   observer_->OnImageLoaded(image, resource, id);
 }
 
 void ImageLoadingTracker::Observe(NotificationType type,
                                   const NotificationSource& source,
                                   const NotificationDetails& details) {
-  DCHECK(type == NotificationType::EXTENSION_UNLOADED ||
-         type == NotificationType::EXTENSION_UNLOADED_DISABLED);
+  DCHECK(type == NotificationType::EXTENSION_UNLOADED);
 
-  const Extension* extension = Details<const Extension>(details).ptr();
+  const Extension* extension =
+      Details<UnloadedExtensionInfo>(details)->extension;
 
   // Remove all entries in the load_map_ referencing the extension. This ensures
   // we don't attempt to cache the image when the load completes.
   for (LoadMap::iterator i = load_map_.begin(); i != load_map_.end();) {
     if (i->second == extension) {
       load_map_.erase(i++);
     } else {
       ++i;
     }
   }
 }