[ImageLoader 2d] Set DecodeError by calling ResourceLoader::cancel()

third_party/WebKit/Source/core/fetch/ResourceLoader.cpp

 /*
  * Copyright (C) 2006, 2007, 2010, 2011 Apple Inc. All rights reserved.
  *           (C) 2007 Graham Dennis (graham.dennis@gmail.com)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 113 matching lines @@
 }
 
 void ResourceLoader::didChangePriority(ResourceLoadPriority loadPriority,
                                        int intraPriorityValue) {
   if (m_loader) {
     m_loader->didChangePriority(
         static_cast<WebURLRequest::Priority>(loadPriority), intraPriorityValue);
   }
 }
 
-void ResourceLoader::cancel() {
+void ResourceLoader::cancel(Resource::Status errorStatus) {
   didFail(
-      ResourceError::cancelledError(m_resource->lastResourceRequest().url()));
+      ResourceError::cancelledError(m_resource->lastResourceRequest().url()),
+      errorStatus);
 }
 
 void ResourceLoader::cancelForRedirectAccessCheckError(const KURL& newURL) {
   m_resource->willNotFollowRedirect();
 
-  if (m_loader)
-    didFail(ResourceError::cancelledDueToAccessCheckError(newURL));
+  if (m_loader) {
+    didFail(ResourceError::cancelledDueToAccessCheckError(newURL),
+            Resource::LoadError);
+  }
 }
 
 bool ResourceLoader::willFollowRedirect(
     WebURLLoader*,
     WebURLRequest& passedNewRequest,
     const WebURLResponse& passedRedirectResponse) {
   DCHECK(!passedNewRequest.isNull());
   DCHECK(!passedRedirectResponse.isNull());
 
   if (m_isCacheAwareLoadingActivated) {
     // Fail as cache miss if cached response is a redirect.
     didFail(
-        ResourceError::cacheMissError(m_resource->lastResourceRequest().url()));
+        ResourceError::cacheMissError(m_resource->lastResourceRequest().url()),
+        Resource::LoadError);
     return false;
   }
 
   ResourceRequest& newRequest(passedNewRequest.toMutableResourceRequest());
   const ResourceResponse& redirectResponse(
       passedRedirectResponse.toResourceResponse());
   newRequest.setRedirectStatus(
       ResourceRequest::RedirectStatus::FollowedRedirect);
 
   const KURL originalURL = newRequest.url();
@@ skipping 68 matching lines @@
 
 void ResourceLoader::didFinishLoading(WebURLLoader*,
                                       double finishTime,
                                       int64_t encodedDataLength) {
   m_loader.reset();
   m_fetcher->didFinishLoading(m_resource.get(), finishTime, encodedDataLength,
                               ResourceFetcher::DidFinishLoading);
 }
 
 void ResourceLoader::didFail(WebURLLoader*, const WebURLError& error) {
-  didFail(error);
+  didFail(error, Resource::LoadError);
 }
 
-void ResourceLoader::didFail(const ResourceError& error) {
+void ResourceLoader::didFail(const ResourceError& error,
+                             Resource::Status errorStatus) {
+  if (!m_loader)
+    return;
+
   if (m_isCacheAwareLoadingActivated && error.isCacheMiss()) {
     m_resource->willReloadAfterDiskCacheMiss();
     m_isCacheAwareLoadingActivated = false;
     restart(m_resource->resourceRequest(),
             m_fetcher->context().loadingTaskRunner(),
             m_fetcher->context().defersLoading());
     return;
   }
 
   m_loader.reset();
-  m_fetcher->didFailLoading(m_resource.get(), error);
+  m_fetcher->didFailLoading(m_resource.get(), error, errorStatus);
 }
 
 void ResourceLoader::requestSynchronously(const ResourceRequest& request) {
   // downloadToFile is not supported for synchronous requests.
   DCHECK(!request.downloadToFile());
   DCHECK(m_loader);
   DCHECK_EQ(request.priority(), ResourceLoadPriorityHighest);
 
   WrappedResourceRequest requestIn(request);
   WebURLResponse responseOut;
@@ skipping 45 matching lines @@
     return;
 
   // Don't activate if cache policy is explicitly set.
   if (request.getCachePolicy() != WebCachePolicy::UseProtocolCachePolicy)
     return;
 
   m_isCacheAwareLoadingActivated = true;
 }
 
 }  // namespace blink