Adds the source ImageLoadingTracker to OnImageLoaded. I need this in a

chrome/browser/extensions/image_loading_tracker.cc

 // Copyright (c) 2009 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 "base/logging.h"
 #include "base/message_loop.h"
 #include "base/scoped_ptr.h"
@@ skipping 91 matching lines @@
 
 void ImageLoadingTracker::PostLoadImageTask(const ExtensionResource& resource,
                                             const gfx::Size& max_size) {
   ChromeThread::PostTask(
       ChromeThread::FILE, FROM_HERE,
       new LoadImageTask(this, resource, max_size, posted_count_++));
 }
 
 void ImageLoadingTracker::OnImageLoaded(SkBitmap* image, size_t index) {
   if (observer_)
-    observer_->OnImageLoaded(image, index);
+    observer_->OnImageLoaded(this, image, index);
 
   if (image)
     delete image;
 
   if (--image_count_ == 0)
     Release();  // We are no longer needed.
 }