Remove an unused function from MemoryCache.

third_party/WebKit/Source/core/fetch/MemoryCacheTest.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 469 matching lines @@
             new FakeDecodedResource(ResourceRequest("http://test/resource"), Resource::Raw);
         cachedImageLowPriority->setCacheIdentifier("foo");
         ResourcePtr<FakeDecodedResource> cachedImageHighPriority =
             new FakeDecodedResource(ResourceRequest("http://test/resource"), Resource::Raw);
         cachedImageHighPriority->setCacheIdentifier("bar");
         TestDecodeCacheOrder(cachedImageLowPriority, cachedImageHighPriority);
         memoryCache()->evictResources();
     }
 }
 
-TEST_F(MemoryCacheTest, MultipleReplace)
-{
-    ResourcePtr<FakeResource> resource1 = new FakeResource(ResourceRequest("http://test/resource"), Resource::Raw);
-    memoryCache()->add(resource1.get());
-
-    ResourcePtr<FakeResource> resource2 = new FakeResource(ResourceRequest("http://test/resource"), Resource::Raw);
-    memoryCache()->replace(resource2.get(), resource1.get());
-    EXPECT_TRUE(memoryCache()->contains(resource2.get()));
-    EXPECT_FALSE(memoryCache()->contains(resource1.get()));
-
-    ResourcePtr<FakeResource> resource3 = new FakeResource(ResourceRequest("http://test/resource"), Resource::Raw);
-    memoryCache()->replace(resource3.get(), resource2.get());
-    EXPECT_TRUE(memoryCache()->contains(resource3.get()));
-    EXPECT_FALSE(memoryCache()->contains(resource2.get()));
-}
-
 TEST_F(MemoryCacheTest, RemoveDuringRevalidation)
 {
     ResourcePtr<FakeResource> resource1 = new FakeResource(ResourceRequest("http://test/resource"), Resource::Raw);
     memoryCache()->add(resource1.get());
 
     ResourcePtr<FakeResource> resource2 = new FakeResource(ResourceRequest("http://test/resource"), Resource::Raw);
     memoryCache()->remove(resource1.get());
     memoryCache()->add(resource2.get());
     EXPECT_TRUE(memoryCache()->contains(resource2.get()));
     EXPECT_FALSE(memoryCache()->contains(resource1.get()));
 
     ResourcePtr<FakeResource> resource3 = new FakeResource(ResourceRequest("http://test/resource"), Resource::Raw);
     memoryCache()->remove(resource2.get());
     memoryCache()->add(resource3.get());
     EXPECT_TRUE(memoryCache()->contains(resource3.get()));
     EXPECT_FALSE(memoryCache()->contains(resource2.get()));
-
-    memoryCache()->replace(resource1.get(), resource2.get());
-    EXPECT_TRUE(memoryCache()->contains(resource1.get()));
-    EXPECT_FALSE(memoryCache()->contains(resource2.get()));
-    EXPECT_FALSE(memoryCache()->contains(resource3.get()));
 }
 
 TEST_F(MemoryCacheTest, ResourceMapIsolation)
 {
     ResourcePtr<FakeResource> resource1 = new FakeResource(ResourceRequest("http://test/resource"), Resource::Raw);
     memoryCache()->add(resource1.get());
 
     ResourcePtr<FakeResource> resource2 = new FakeResource(ResourceRequest("http://test/resource"), Resource::Raw);
     resource2->setCacheIdentifier("foo");
     memoryCache()->add(resource2.get());
     EXPECT_TRUE(memoryCache()->contains(resource1.get()));
     EXPECT_TRUE(memoryCache()->contains(resource2.get()));
 
     const KURL url = KURL(ParsedURLString, "http://test/resource");
     EXPECT_EQ(resource1.get(), memoryCache()->resourceForURL(url));
     EXPECT_EQ(resource1.get(), memoryCache()->resourceForURL(url, memoryCache()->defaultCacheIdentifier()));
     EXPECT_EQ(resource2.get(), memoryCache()->resourceForURL(url, "foo"));
     EXPECT_EQ(0, memoryCache()->resourceForURL(KURL()));
 
     ResourcePtr<FakeResource> resource3 = new FakeResource(ResourceRequest("http://test/resource"), Resource::Raw);
     resource3->setCacheIdentifier("foo");
     memoryCache()->remove(resource2.get());
     memoryCache()->add(resource3.get());
     EXPECT_TRUE(memoryCache()->contains(resource1.get()));
     EXPECT_FALSE(memoryCache()->contains(resource2.get()));
     EXPECT_TRUE(memoryCache()->contains(resource3.get()));
 
-    ResourcePtr<FakeResource> resource4 = new FakeResource(ResourceRequest("http://test/resource"), Resource::Raw);
-    resource4->setCacheIdentifier("foo");
-    memoryCache()->replace(resource4.get(), resource3.get());
-    EXPECT_TRUE(memoryCache()->contains(resource1.get()));
-    EXPECT_FALSE(memoryCache()->contains(resource3.get()));
-    EXPECT_TRUE(memoryCache()->contains(resource4.get()));
-
     WillBeHeapVector<RawPtrWillBeMember<Resource>> resources = memoryCache()->resourcesForURL(url);
     EXPECT_EQ(2u, resources.size());
 
     memoryCache()->evictResources();
     EXPECT_FALSE(memoryCache()->contains(resource1.get()));
     EXPECT_FALSE(memoryCache()->contains(resource3.get()));
 }
 
 } // namespace