Phase III Step 1: Make ImageResourceContent manage its own ResourceStatus

third_party/WebKit/Source/core/loader/ImageLoader.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2009, 2010 Apple Inc. All rights
  * reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
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   // Prevent the creation of a ResourceLoader (and therefore a network request)
   // for ImageDocument loads. In this case, the image contents have already been
   // requested as a main resource and ImageDocumentParser will take care of
   // funneling the main resource bytes into m_image, so just create an
   // ImageResource to be populated later.
   if (loading_image_document_ && update_behavior != kUpdateForcedReload) {
     ImageResource* image_resource = ImageResource::Create(
         ResourceRequest(ImageSourceToKURL(element_->ImageSourceURL())));
     image_resource->SetStatus(ResourceStatus::kPending);
+    image_resource->NotifyStartLoad();
     image_resource_for_image_document_ = image_resource;
     SetImage(image_resource->GetContent());
     return;
   }
 
   // If we have a pending task, we have to clear it -- either we're now loading
   // immediately, or we need to reset the task's state.
   if (pending_task_) {
     pending_task_->ClearLoader();
     pending_task_.reset();
@@ skipping 221 matching lines @@
 }
 
 void ImageLoader::ElementDidMoveToNewDocument() {
   if (load_delay_counter_)
     load_delay_counter_->DocumentChanged(element_->GetDocument());
   ClearFailedLoadURL();
   SetImage(0);
 }
 
 }  // namespace blink