Revert "Ensure |m_image| is (re-)created in ImageResource::didAddClient()"

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 289 matching lines @@
     cachedImage->loader()->didReceiveResponse(nullptr, WrappedResourceResponse(resourceResponse), nullptr);
     cachedImage->loader()->didReceiveData(nullptr, reinterpret_cast<const char*>(jpeg.data()), jpeg.size(), jpeg.size());
     cachedImage->loader()->didFinishLoading(nullptr, 0.0, jpeg.size());
     ASSERT_FALSE(cachedImage->errorOccurred());
     ASSERT_TRUE(cachedImage->hasImage());
     ASSERT_FALSE(cachedImage->getImage()->isNull());
     ASSERT_TRUE(client->notifyFinishedCalled());
     ASSERT_TRUE(cachedImage->getImage()->isBitmapImage());
 }
 
-// Tests for pruning.
-
-TEST(ImageResourceTest, AddClientAfterPrune)
-{
-    KURL url(ParsedURLString, "http://127.0.0.1:8000/foo");
-    ImageResource* imageResource = ImageResource::create(ResourceRequest(url));
-
-    // Adds a ResourceClient but not ImageResourceObserver.
-    Persistent<MockResourceClient> client1 = new MockResourceClient(imageResource);
-
-    receiveResponse(imageResource, url, "image/jpeg", jpegImage());
-
-    EXPECT_FALSE(imageResource->errorOccurred());
-    ASSERT_TRUE(imageResource->hasImage());
-    EXPECT_FALSE(imageResource->getImage()->isNull());
-    EXPECT_EQ(1, imageResource->getImage()->width());
-    EXPECT_EQ(1, imageResource->getImage()->height());
-    EXPECT_TRUE(client1->notifyFinishedCalled());
-
-    client1->removeAsClient();
-
-    EXPECT_FALSE(imageResource->hasClientsOrObservers());
-
-    imageResource->prune();
-
-    EXPECT_FALSE(imageResource->hasImage());
-
-    // 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());
-}
-
 } // namespace blink