Revert of After detach, there's no document to notify parsing is finished.

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 1232 matching lines @@
     "html/parser/CSSPreloadScannerTest.cpp",
     "html/parser/CompactHTMLTokenTest.cpp",
     "html/parser/HTMLDocumentParserTest.cpp",
     "html/parser/HTMLEntityParserTest.cpp",
     "html/parser/HTMLParserIdiomsTest.cpp",
     "html/parser/HTMLParserThreadTest.cpp",
     "html/parser/HTMLPreloadScannerTest.cpp",
     "html/parser/HTMLResourcePreloaderTest.cpp",
     "html/parser/HTMLSrcsetParserTest.cpp",
     "html/parser/HTMLTokenizerTest.cpp",
-    "html/parser/HTMLViewSourceParserTest.cpp",
     "html/parser/TextResourceDecoderTest.cpp",
     "html/shadow/MediaControlsTest.cpp",
     "html/track/TextTrackListTest.cpp",
     "html/track/vtt/BufferedLineReaderTest.cpp",
     "html/track/vtt/VTTScannerTest.cpp",
     "input/EventHandlerTest.cpp",
     "inspector/ProtocolParserTest.cpp",
     "layout/ImageQualityControllerTest.cpp",
     "layout/InlineTextBoxTest.cpp",
     "layout/LayoutBlockTest.cpp",
@@ skipping 136 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"
 }