Use MockResource as much as possibler in MemoryCacheCorrectnessTest

third_party/WebKit/Source/core/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/chromecast_build.gni")
 import("//build/toolchain/toolchain.gni")
 import("//build/config/ui.gni")
 import("//build/split_static_library.gni")
 import("//testing/libfuzzer/fuzzer_test.gni")
 import("//third_party/WebKit/Source/bindings/bindings.gni")
@@ skipping 1080 matching lines @@
     "dom/custom/CustomElementUpgradeSorterTest.cpp",
     "dom/shadow/FlatTreeTraversalTest.cpp",
     "dom/shadow/SlotScopedTraversalTest.cpp",
     "events/EventPathTest.cpp",
     "events/EventTargetTest.cpp",
     "events/PointerEventFactoryTest.cpp",
     "fetch/ClientHintsPreferencesTest.cpp",
     "fetch/CrossOriginAccessControlTest.cpp",
     "fetch/FetchUtilsTest.cpp",
     "fetch/MemoryCacheCorrectnessTest.cpp",
-    "fetch/MemoryCacheCorrectnessTestHelper.cpp",
-    "fetch/MemoryCacheCorrectnessTestHelper.h",
     "fetch/MemoryCacheTest.cpp",
     "fetch/MockFetchContext.h",
     "fetch/MockResource.cpp",
     "fetch/MockResource.h",
     "fetch/MockResourceClient.cpp",
     "fetch/MockResourceClient.h",
     "fetch/RawResourceTest.cpp",
     "fetch/ResourceFetcherTest.cpp",
     "fetch/ResourceLoaderOptionsTest.cpp",
     "fetch/ResourceTest.cpp",
@@ skipping 217 matching lines @@
   sources = [
     "frame/csp/ContentSecurityPolicyFuzzer.cpp",
   ]
   deps = [
     ":core",
     "//third_party/WebKit/Source/platform:blink_fuzzer_test_support",
   ]
   dict = "//testing/libfuzzer/fuzzers/dicts/content_security_policy.dict"
   seed_corpus = "//testing/libfuzzer/fuzzers/content_security_policy_corpus"
 }