Fix MQEvaluator::mediaType() related perf regressions.

Source/core/css/MediaQueryEvaluator.cpp

 /*
  * CSS Media Query Evaluator
  *
  * Copyright (C) 2006 Kimmo Kinnunen <kimmo.t.kinnunen@nokia.com>.
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Intel Corporation. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ skipping 93 matching lines @@
     return nullAtom;
 }
 
 bool MediaQueryEvaluator::mediaTypeMatch(const String& mediaTypeToMatch) const
 {
     return mediaTypeToMatch.isEmpty()
         || equalIgnoringCase(mediaTypeToMatch, MediaTypeNames::all)
         || equalIgnoringCase(mediaTypeToMatch, mediaType());
 }
 
-bool MediaQueryEvaluator::mediaTypeMatchSpecific(const char* mediaTypeToMatch) const
-{
-    // Like mediaTypeMatch, but without the special cases for "" and "all".
-    ASSERT(mediaTypeToMatch);
-    ASSERT(mediaTypeToMatch[0] != '\0');
-    ASSERT(!equalIgnoringCase(mediaTypeToMatch, MediaTypeNames::all));
-    return equalIgnoringCase(mediaTypeToMatch, mediaType());
-}
-
 static bool applyRestrictor(MediaQuery::Restrictor r, bool value)
 {
     return r == MediaQuery::Not ? !value : value;
 }
 
 bool MediaQueryEvaluator::eval(const MediaQuerySet* querySet, MediaQueryResultList* viewportDependentMediaQueryResults) const
 {
     if (!querySet)
         return true;
 
@@ skipping 474 matching lines @@
     // Call the media feature evaluation function. Assume no prefix and let
     // trampoline functions override the prefix if prefix is used.
     EvalFunc func = gFunctionMap->get(expr->mediaFeature().impl());
     if (func)
         return func(expr->expValue(), NoPrefix, *m_mediaValues);
 
     return false;
 }
 
 } // namespace