Always evaluate media features to true without MediaValues.

third_party/WebKit/Source/core/dom/StyleElement.cpp

 /*
  * Copyright (C) 2006, 2007 Rob Buis
  * Copyright (C) 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
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 154 matching lines @@
 
   // Clearing the current sheet may remove the cache entry so create the new
   // sheet first
   CSSStyleSheet* newSheet = nullptr;
 
   // If type is empty or CSS, this is a CSS style sheet.
   const AtomicString& type = this->type();
   if (isCSS(element, type) && passesContentSecurityPolicyChecks) {
     MediaQuerySet* mediaQueries = MediaQuerySet::create(media());
 
-    MediaQueryEvaluator screenEval("screen", true);
-    MediaQueryEvaluator printEval("print", true);
+    MediaQueryEvaluator screenEval("screen");
+    MediaQueryEvaluator printEval("print");
     if (screenEval.eval(mediaQueries) || printEval.eval(mediaQueries)) {
       m_loading = true;
       TextPosition startPosition =
           m_startPosition == TextPosition::belowRangePosition()
               ? TextPosition::minimumPosition()
               : m_startPosition;
       newSheet = document.styleEngine().createSheet(
           element, text, startPosition, m_styleEngineContext);
       newSheet->setMediaQueries(mediaQueries);
       m_loading = false;
@@ skipping 28 matching lines @@
 
 void StyleElement::startLoadingDynamicSheet(Document& document) {
   document.styleEngine().addPendingSheet(m_styleEngineContext);
 }
 
 DEFINE_TRACE(StyleElement) {
   visitor->trace(m_sheet);
 }
 
 }  // namespace blink