Cancel image loads if decoding failed.

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

 /*
  * Copyright (c) 2013, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 602 matching lines @@
     // Re-adds a ResourceClient but not ImageResourceObserver.
     Persistent<MockResourceClient> client2 = new MockResourceClient(imageResource);
 
     ASSERT_TRUE(imageResource->hasImage());
     EXPECT_FALSE(imageResource->getImage()->isNull());
     EXPECT_EQ(1, imageResource->getImage()->width());
     EXPECT_EQ(1, imageResource->getImage()->height());
     EXPECT_TRUE(client2->notifyFinishedCalled());
 }
 
+TEST(ImageResourceTest, CancelOnDecodeError)
+{
+    KURL testURL(ParsedURLString, "http://www.test.com/cancelTest.html");
+    URLTestHelpers::registerMockedURLLoad(testURL, "cancelTest.html", "text/html");
+
+    ResourceFetcher* fetcher = ResourceFetcher::create(ImageResourceTestMockFetchContext::create());
+    FetchRequest request(testURL, FetchInitiatorInfo());
+    ImageResource* cachedImage = ImageResource::fetch(request, fetcher);
+    Platform::current()->getURLLoaderMockFactory()->unregisterURL(testURL);
+
+    cachedImage->loader()->didReceiveResponse(nullptr, WrappedResourceResponse(ResourceResponse(testURL, "image/jpeg", 18, nullAtom, String())), nullptr);
+    cachedImage->loader()->didReceiveData(nullptr, "notactuallyanimage", 18, 18);
+    EXPECT_EQ(Resource::DecodeError, cachedImage->getStatus());
+    EXPECT_FALSE(cachedImage->isLoading());
+}
+
 } // namespace blink