Literal AtomicString construction can rely on strlen optimization.

third_party/WebKit/Source/core/fetch/ScriptResource.cpp

 /*
     Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
     Copyright (C) 2001 Dirk Mueller (mueller@kde.org)
     Copyright (C) 2002 Waldo Bastian (bastian@kde.org)
     Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
     Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
@@ skipping 32 matching lines @@
     RefPtrWillBeRawPtr<ScriptResource> resource = toScriptResource(fetcher->requestResource(request, ScriptResourceFactory()));
     if (resource && !request.integrityMetadata().isEmpty())
         resource->setIntegrityMetadata(request.integrityMetadata());
     return resource.release();
 }
 
 ScriptResource::ScriptResource(const ResourceRequest& resourceRequest, const ResourceLoaderOptions& options, const String& charset)
     : TextResource(resourceRequest, Script, options, "application/javascript", charset)
     , m_integrityDisposition(ScriptIntegrityDisposition::NotChecked)
 {
-    DEFINE_STATIC_LOCAL(const AtomicString, acceptScript, ("*/*", AtomicString::ConstructFromLiteral));
+    DEFINE_STATIC_LOCAL(const AtomicString, acceptScript, ("*/*"));
 
     // It's javascript we want.
     // But some websites think their scripts are <some wrong mimetype here>
     // and refuse to serve them if we only accept application/x-javascript.
     setAccept(acceptScript);
 }
 
 ScriptResource::~ScriptResource()
 {
 }
@@ skipping 56 matching lines @@
 }
 bool ScriptResource::mustRefetchDueToIntegrityMetadata(const FetchRequest& request) const
 {
     if (request.integrityMetadata().isEmpty())
         return false;
 
     return !IntegrityMetadata::setsEqual(m_integrityMetadata, request.integrityMetadata());
 }
 
 } // namespace blink