2. Remove HTMLParserScriptRunner's prefinalizer

third_party/WebKit/Source/core/html/parser/HTMLParserScriptRunner.cpp

Index: third_party/WebKit/Source/core/html/parser/HTMLParserScriptRunner.cpp
diff --git a/third_party/WebKit/Source/core/html/parser/HTMLParserScriptRunner.cpp b/third_party/WebKit/Source/core/html/parser/HTMLParserScriptRunner.cpp
index 6836584ed6276ec7f659f655abe8dc6a542f2b73..316d1a89c0c6b49707a816f7a86885595f559cc4 100644
--- a/third_party/WebKit/Source/core/html/parser/HTMLParserScriptRunner.cpp
+++ b/third_party/WebKit/Source/core/html/parser/HTMLParserScriptRunner.cpp
@@ -162,10 +162,7 @@ HTMLParserScriptRunner::HTMLParserScriptRunner(
   DCHECK(host_);
 }
 
-HTMLParserScriptRunner::~HTMLParserScriptRunner() {
-  // Verify that detach() has been called.
-  DCHECK(!document_);
-}
+HTMLParserScriptRunner::~HTMLParserScriptRunner() {}
 
 void HTMLParserScriptRunner::Detach() {
   if (!document_)