Always evaluate media features to true without MediaValues.

third_party/WebKit/Source/core/css/MediaQueryEvaluator.h

 /*
  * CSS Media Query Evaluator
  *
  * Copyright (C) 2006 Kimmo Kinnunen <kimmo.t.kinnunen@nokia.com>.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 43 matching lines @@
 // the device characteristics are not known. This can be used to prune the
 // loading of stylesheets to only those which are probable to match.
 
 class CORE_EXPORT MediaQueryEvaluator final
     : public GarbageCollectedFinalized<MediaQueryEvaluator> {
   WTF_MAKE_NONCOPYABLE(MediaQueryEvaluator);
 
  public:
   static void init();
 
-  // Creates evaluator which evaluates only simple media queries
-  // Evaluator returns true for "all", and returns value of \mediaFeatureResult
-  // for any media features.
-
-  explicit MediaQueryEvaluator(bool mediaFeatureResult = false);
+  // Creates evaluator which evaluates to true for all media queries.
+  MediaQueryEvaluator() {}
 
   // Creates evaluator which evaluates only simple media queries
-  // Evaluator returns true for acceptedMediaType and returns value of
-  // \mediafeatureResult for any media features.
-
-  MediaQueryEvaluator(const char* acceptedMediaType,
-                      bool mediaFeatureResult = false);
+  // Evaluator returns true for acceptedMediaType and returns true for any media
+  // features.
+  MediaQueryEvaluator(const char* acceptedMediaType);
 
   // Creates evaluator which evaluates full media queries.
   explicit MediaQueryEvaluator(LocalFrame*);
 
   // Creates evaluator which evaluates in a thread-safe manner a subset of media
   // values.
   explicit MediaQueryEvaluator(const MediaValues&);
 
   explicit MediaQueryEvaluator(MediaValuesInitialViewport*);
 
@@ skipping 13 matching lines @@
 
   // Evaluates media query subexpression, ie "and (media-feature: value)" part.
   bool eval(const MediaQueryExp*) const;
 
   DECLARE_TRACE();
 
  private:
   const String mediaType() const;
 
   String m_mediaType;
-  bool m_expectedResult = false;
   Member<MediaValues> m_mediaValues;
 };
 
 }  // namespace blink
 #endif