Remove RuntimeEnabledFeatures flag MediaQueryParser (status=stable)

This flag has been stable for over three months, no point keeping it around.

BUG=375171

Review URL: https://codereview.chromium.org/559903002

git-svn-id: svn://svn.chromium.org/blink/trunk@181744 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/core/css/MediaList.cpp

@@ -72,11 +72,7 @@ PassRefPtrWillBeRawPtr<MediaQuerySet> MediaQuerySet::create(const String& mediaS
     if (mediaString.isEmpty())
         return MediaQuerySet::create();
 
-    if (RuntimeEnabledFeatures::mediaQueryParserEnabled())
-        return MediaQueryParser::parseMediaQuerySet(mediaString);
-
-    BisonCSSParser parser(strictCSSParserContext());
-    return parser.parseMediaQueryList(mediaString);
+    return MediaQueryParser::parseMediaQuerySet(mediaString);
 }
 
 PassRefPtrWillBeRawPtr<MediaQuerySet> MediaQuerySet::createOffMainThread(const String& mediaString)

third_party/WebKit/Source/core/css/parser/BisonCSSParser-in.cpp

@@ -1103,19 +1103,6 @@ bool BisonCSSParser::parseDeclaration(MutableStylePropertySet* declaration, cons
     return ok;
 }
 
-PassRefPtrWillBeRawPtr<MediaQuerySet> BisonCSSParser::parseMediaQueryList(const String& string)
-{
-    ASSERT(!m_mediaList);
-
-    // can't use { because tokenizer state switches from mediaquery to initial state when it sees { token.
-    // instead insert one " " (which is caught by maybe_space in CSSGrammar.y)
-    setupParser("@-internal-medialist ", string, "");
-    cssyyparse(this);
-
-    ASSERT(m_mediaList);
-    return m_mediaList.release();
-}
-
 bool BisonCSSParser::parseAttributeMatchType(CSSSelector::AttributeMatchType& matchType, const String& string)
 {
     if (!RuntimeEnabledFeatures::cssAttributeCaseSensitivityEnabled() && !isUASheetBehavior(m_context.mode()))

third_party/WebKit/Source/core/css/parser/BisonCSSParser.h

@@ -92,7 +92,6 @@ public:
     static PassRefPtrWillBeRawPtr<CSSValue> parseAnimationTimingFunctionValue(const String&);
     bool parseDeclaration(MutableStylePropertySet*, const String&, CSSParserObserver*, StyleSheetContents* contextStyleSheet);
     static PassRefPtrWillBeRawPtr<ImmutableStylePropertySet> parseInlineStyleDeclaration(const String&, Element*);
-    PassRefPtrWillBeRawPtr<MediaQuerySet> parseMediaQueryList(const String&);
     PassOwnPtr<Vector<double> > parseKeyframeKeyList(const String&);
     bool parseAttributeMatchType(CSSSelector::AttributeMatchType&, const String&);
 
@@ -176,7 +175,6 @@ public:
     RawPtrWillBeMember<StyleSheetContents> m_styleSheet;
     RefPtrWillBeMember<StyleRuleBase> m_rule;
     RefPtrWillBeMember<StyleKeyframe> m_keyframe;
-    RefPtrWillBeMember<MediaQuerySet> m_mediaList;
     OwnPtr<CSSParserValueList> m_valueList;
     bool m_supportsCondition;
 

third_party/WebKit/Source/core/css/parser/CSSGrammar.y

@@ -188,7 +188,6 @@ inline static CSSParserValue makeIdentValue(CSSParserString string)
 %token NAMESPACE_SYM
 %token VIEWPORT_RULE_SYM
 %token INTERNAL_DECLS_SYM
-%token INTERNAL_MEDIALIST_SYM
 %token INTERNAL_RULE_SYM
 %token INTERNAL_SELECTOR_SYM
 %token INTERNAL_VALUE_SYM
@@ -380,7 +379,6 @@ stylesheet:
   | internal_rule
   | internal_selector
   | internal_value
-  | internal_medialist
   | internal_keyframe_rule
   | internal_keyframe_key_list
   | internal_supports_condition
@@ -420,12 +418,6 @@ internal_value:
     }
 ;
 
-internal_medialist:
-    INTERNAL_MEDIALIST_SYM maybe_space location_label maybe_media_list TOKEN_EOF {
-        parser->m_mediaList = $4;
-    }
-;
-
 internal_selector:
     INTERNAL_SELECTOR_SYM maybe_space selector_list TOKEN_EOF {
         if (parser->m_selectorListForParseSelector)

third_party/WebKit/Source/core/css/parser/CSSTokenizer-in.cpp

@@ -1076,12 +1076,6 @@ inline void CSSTokenizer::detectAtToken(int length, bool hasEscape)
             if (LIKELY(!hasEscape && m_internal))
                 m_token = INTERNAL_SELECTOR_SYM;
         }
-        CASE("-internal-medialist") {
-            if (!m_internal)
-                return;
-            m_parsingMode = MediaQueryMode;
-            m_token = INTERNAL_MEDIALIST_SYM;
-        }
         CASE("-internal-keyframe-rule") {
             if (LIKELY(!hasEscape && m_internal))
                 m_token = INTERNAL_KEYFRAME_RULE_SYM;

third_party/WebKit/Source/platform/RuntimeEnabledFeatures.in

@@ -79,7 +79,6 @@ LocalStorage status=stable
 Media status=stable
 MediaCapture
 MediaController depends_on=Media, status=experimental
-MediaQueryParser status=stable
 MediaSource status=stable
 MediaSourceExperimental depends_on=MediaSource, status=experimental
 MediaStream status=stable