Replace MockImageResourceClient with MockImageResourceObserver

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 1207 matching lines @@
     "loader/MixedContentCheckerTest.cpp",
     "loader/PingLoaderTest.cpp",
     "loader/ProgressTrackerTest.cpp",
     "loader/TextResourceDecoderBuilderTest.cpp",
     "loader/ThreadableLoaderTest.cpp",
     "loader/resource/CSSStyleSheetResourceTest.cpp",
     "loader/resource/FontResourceTest.cpp",
     "loader/resource/ImageResourceTest.cpp",
     "loader/resource/MockFontResourceClient.cpp",
     "loader/resource/MockFontResourceClient.h",
-    "loader/resource/MockImageResourceClient.cpp",
-    "loader/resource/MockImageResourceClient.h",
+    "loader/resource/MockImageResourceObserver.cpp",
+    "loader/resource/MockImageResourceObserver.h",
     "loader/resource/MultipartImageResourceParserTest.cpp",
     "origin_trials/OriginTrialContextTest.cpp",
     "page/ChromeClientTest.cpp",
     "page/ContextMenuControllerTest.cpp",
     "page/FocusControllerTest.cpp",
     "page/NetworkStateNotifierTest.cpp",
     "page/PagePopupClientTest.cpp",
     "page/PrintContextTest.cpp",
     "page/WindowFeaturesTest.cpp",
     "page/scrolling/ScrollStateTest.cpp",
@@ skipping 88 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"
 }