Remove CSS_REGIONS compile flag from Blink.

Source/core/css/CSSParser.cpp

 /*
  * Copyright (C) 2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com>
  * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved.
  * Copyright (C) 2012 Intel Corporation. All rights reserved.
  *
@@ skipping 229 matching lines @@
     DEFINE_STATIC_LOCAL(CSSParserContext, strictContext, (CSSStrictMode));
     return strictContext;
 }
 
 CSSParserContext::CSSParserContext(CSSParserMode mode, const KURL& baseURL)
     : baseURL(baseURL)
     , mode(mode)
     , isHTMLDocument(false)
     , isCSSCustomFilterEnabled(false)
     , isCSSStickyPositionEnabled(false)
-    , isCSSRegionsEnabled(false)
     , isCSSCompositingEnabled(false)
     , isCSSGridLayoutEnabled(false)
     , isCSSVariablesEnabled(false)
     , needsSiteSpecificQuirks(false)
 {
 }
 
 CSSParserContext::CSSParserContext(Document* document, const KURL& baseURL, const String& charset)
     : baseURL(baseURL.isNull() ? document->baseURL() : baseURL)
     , charset(charset)
     , mode(document->inQuirksMode() ? CSSQuirksMode : CSSStrictMode)
     , isHTMLDocument(document->isHTMLDocument())
     , isCSSCustomFilterEnabled(document->settings() ? document->settings()->isCSSCustomFilterEnabled() : false)
     , isCSSStickyPositionEnabled(document->cssStickyPositionEnabled())
-    , isCSSRegionsEnabled(document->cssRegionsEnabled())
     , isCSSCompositingEnabled(document->cssCompositingEnabled())
     , isCSSGridLayoutEnabled(document->cssGridLayoutEnabled())
     , isCSSVariablesEnabled(document->settings() ? document->settings()->cssVariablesEnabled() : false)
     , needsSiteSpecificQuirks(document->settings() ? document->settings()->needsSiteSpecificQuirks() : false)
 {
 }
 
 bool operator==(const CSSParserContext& a, const CSSParserContext& b)
 {
     return a.baseURL == b.baseURL
         && a.charset == b.charset
         && a.mode == b.mode
         && a.isHTMLDocument == b.isHTMLDocument
         && a.isCSSCustomFilterEnabled == b.isCSSCustomFilterEnabled
         && a.isCSSStickyPositionEnabled == b.isCSSStickyPositionEnabled
-        && a.isCSSRegionsEnabled == b.isCSSRegionsEnabled
         && a.isCSSCompositingEnabled == b.isCSSCompositingEnabled
         && a.isCSSGridLayoutEnabled == b.isCSSGridLayoutEnabled
         && a.isCSSVariablesEnabled == b.isCSSVariablesEnabled
         && a.needsSiteSpecificQuirks == b.needsSiteSpecificQuirks;
 }
 
 CSSParser::CSSParser(const CSSParserContext& context)
     : m_context(context)
     , m_important(false)
     , m_id(CSSPropertyInvalid)
@@ skipping 623 matching lines @@
 #if ENABLE(ACCELERATED_OVERFLOW_SCROLLING)
     case CSSPropertyWebkitOverflowScrolling:
         if (valueID == CSSValueAuto || valueID == CSSValueTouch)
             return true;
         break;
 #endif
     case CSSPropertyWebkitPrintColorAdjust:
         if (valueID == CSSValueExact || valueID == CSSValueEconomy)
             return true;
         break;
-#if ENABLE(CSS_REGIONS)
     case CSSPropertyWebkitRegionBreakAfter:
     case CSSPropertyWebkitRegionBreakBefore:
-        if (parserContext.isCSSRegionsEnabled && (valueID == CSSValueAuto || valueID == CSSValueAlways || valueID == CSSValueAvoid || valueID == CSSValueLeft || valueID == CSSValueRight))
+        if (RuntimeEnabledFeatures::cssRegionsEnabled() && (valueID == CSSValueAuto || valueID == CSSValueAlways || valueID == CSSValueAvoid || valueID == CSSValueLeft || valueID == CSSValueRight))
             return true;
         break;
     case CSSPropertyWebkitRegionBreakInside:
-        if (parserContext.isCSSRegionsEnabled && (valueID == CSSValueAuto || valueID == CSSValueAvoid))
+        if (RuntimeEnabledFeatures::cssRegionsEnabled() && (valueID == CSSValueAuto || valueID == CSSValueAvoid))
             return true;
         break;
     case CSSPropertyWebkitRegionOverflow:
-        if (parserContext.isCSSRegionsEnabled && (valueID == CSSValueAuto || valueID == CSSValueBreak))
+        if (RuntimeEnabledFeatures::cssRegionsEnabled() && (valueID == CSSValueAuto || valueID == CSSValueBreak))
             return true;
         break;
-#endif
     case CSSPropertyWebkitRtlOrdering:
         if (valueID == CSSValueLogical || valueID == CSSValueVisual)
             return true;
         break;
 
     case CSSPropertyWebkitRubyPosition:
         if (valueID == CSSValueBefore || valueID == CSSValueAfter)
             return true;
         break;
 
@@ skipping 144 matching lines @@
     case CSSPropertyWebkitMarginAfterCollapse:
     case CSSPropertyWebkitMarginBeforeCollapse:
     case CSSPropertyWebkitMarginBottomCollapse:
     case CSSPropertyWebkitMarginTopCollapse:
     case CSSPropertyWebkitMarqueeDirection:
     case CSSPropertyWebkitMarqueeStyle:
 #if ENABLE(ACCELERATED_OVERFLOW_SCROLLING)
     case CSSPropertyWebkitOverflowScrolling:
 #endif
     case CSSPropertyWebkitPrintColorAdjust:
-#if ENABLE(CSS_REGIONS)
     case CSSPropertyWebkitRegionBreakAfter:
     case CSSPropertyWebkitRegionBreakBefore:
     case CSSPropertyWebkitRegionBreakInside:
     case CSSPropertyWebkitRegionOverflow:
-#endif
     case CSSPropertyWebkitRtlOrdering:
     case CSSPropertyWebkitRubyPosition:
 #if ENABLE(CSS3_TEXT)
     case CSSPropertyWebkitTextAlignLast:
 #endif // CSS3_TEXT
     case CSSPropertyWebkitTextCombine:
     case CSSPropertyWebkitTextEmphasisPosition:
     case CSSPropertyWebkitTextSecurity:
     case CSSPropertyWebkitTransformStyle:
     case CSSPropertyWebkitUserDrag:
@@ skipping 1307 matching lines @@
             validPrimitive = true;
         else
             validPrimitive = validUnit(value, FInteger | FNonNeg);
         break;
     case CSSPropertyWebkitMarqueeSpeed:
         if (id == CSSValueNormal || id == CSSValueSlow || id == CSSValueFast)
             validPrimitive = true;
         else
             validPrimitive = validUnit(value, FTime | FInteger | FNonNeg);
         break;
-#if ENABLE(CSS_REGIONS)
     case CSSPropertyWebkitFlowInto:
-        if (!cssRegionsEnabled())
+        if (!RuntimeEnabledFeatures::cssRegionsEnabled())
             return false;
         return parseFlowThread(propId, important);
     case CSSPropertyWebkitFlowFrom:
-        if (!cssRegionsEnabled())
+        if (!RuntimeEnabledFeatures::cssRegionsEnabled())
             return false;
         return parseRegionThread(propId, important);
-#endif
     case CSSPropertyWebkitTransform:
         if (id == CSSValueNone)
             validPrimitive = true;
         else {
             RefPtr<CSSValue> transformValue = parseTransform();
             if (transformValue) {
                 addProperty(propId, transformValue.release(), important);
                 return true;
             }
             return false;
@@ skipping 461 matching lines @@
     case CSSPropertyWebkitMarginAfterCollapse:
     case CSSPropertyWebkitMarginBeforeCollapse:
     case CSSPropertyWebkitMarginBottomCollapse:
     case CSSPropertyWebkitMarginTopCollapse:
     case CSSPropertyWebkitMarqueeDirection:
     case CSSPropertyWebkitMarqueeStyle:
 #if ENABLE(ACCELERATED_OVERFLOW_SCROLLING)
     case CSSPropertyWebkitOverflowScrolling:
 #endif
     case CSSPropertyWebkitPrintColorAdjust:
-#if ENABLE(CSS_REGIONS)
     case CSSPropertyWebkitRegionBreakAfter:
     case CSSPropertyWebkitRegionBreakBefore:
     case CSSPropertyWebkitRegionBreakInside:
     case CSSPropertyWebkitRegionOverflow:
-#endif
     case CSSPropertyWebkitRtlOrdering:
     case CSSPropertyWebkitRubyPosition:
 #if ENABLE(CSS3_TEXT)
     case CSSPropertyWebkitTextAlignLast:
 #endif // CSS3_TEXT
     case CSSPropertyWebkitTextCombine:
     case CSSPropertyWebkitTextEmphasisPosition:
     case CSSPropertyWebkitTextSecurity:
     case CSSPropertyWebkitTransformStyle:
     case CSSPropertyWebkitUserDrag:
@@ skipping 5735 matching lines @@
             if (!filterValue)
                 return 0;
             
             list->append(filterValue);
         }
     }
 
     return list.release();
 }
 
-#if ENABLE(CSS_REGIONS)
 static bool validFlowName(const String& flowName)
 {
     return !(equalIgnoringCase(flowName, "auto")
             || equalIgnoringCase(flowName, "default")
             || equalIgnoringCase(flowName, "inherit")
             || equalIgnoringCase(flowName, "initial")
             || equalIgnoringCase(flowName, "none"));
 }
-#endif
-
-bool CSSParser::cssRegionsEnabled() const
-{
-    return m_context.isCSSRegionsEnabled;
-}
 
 bool CSSParser::cssCompositingEnabled() const
 {
     return m_context.isCSSCompositingEnabled;
 }
 
 bool CSSParser::cssGridLayoutEnabled() const
 {
     return m_context.isCSSGridLayoutEnabled;
 }
 
-#if ENABLE(CSS_REGIONS)
 bool CSSParser::parseFlowThread(const String& flowName)
 {
     setupParser("@-internal-decls{-webkit-flow-into:", flowName, "}");
     cssyyparse(this);
 
     m_rule = 0;
 
     return ((m_parsedProperties.size() == 1) && (m_parsedProperties.first().id() == CSSPropertyWebkitFlowInto));
 }
 
 // none | <ident>
 bool CSSParser::parseFlowThread(CSSPropertyID propId, bool important)
 {
     ASSERT(propId == CSSPropertyWebkitFlowInto);
-    ASSERT(cssRegionsEnabled());
+    ASSERT(RuntimeEnabledFeatures::cssRegionsEnabled());
 
     if (m_valueList->size() != 1)
         return false;
 
     CSSParserValue* value = m_valueList->current();
     if (!value)
         return false;
 
     if (value->unit != CSSPrimitiveValue::CSS_IDENT)
         return false;
@@ skipping 11 matching lines @@
     } else
         addProperty(propId, cssValuePool().createIdentifierValue(CSSValueNone), important);
 
     return true;
 }
 
 // -webkit-flow-from: none | <ident>
 bool CSSParser::parseRegionThread(CSSPropertyID propId, bool important)
 {
     ASSERT(propId == CSSPropertyWebkitFlowFrom);
-    ASSERT(cssRegionsEnabled());
+    ASSERT(RuntimeEnabledFeatures::cssRegionsEnabled());
 
     if (m_valueList->size() != 1)
         return false;
 
     CSSParserValue* value = m_valueList->current();
     if (!value)
         return false;
 
     if (value->unit != CSSPrimitiveValue::CSS_IDENT)
         return false;
 
     if (value->id == CSSValueNone)
         addProperty(propId, cssValuePool().createIdentifierValue(value->id), important);
     else {
         String inputProperty = String(value->string);
         if (!inputProperty.isEmpty()) {
             if (!validFlowName(inputProperty))
                 return false;
             addProperty(propId, cssValuePool().createValue(inputProperty, CSSPrimitiveValue::CSS_STRING), important);
         } else
             addProperty(propId, cssValuePool().createIdentifierValue(CSSValueNone), important);
     }
 
     return true;
 }
-#endif
 
 bool CSSParser::parseTransformOrigin(CSSPropertyID propId, CSSPropertyID& propId1, CSSPropertyID& propId2, CSSPropertyID& propId3, RefPtr<CSSValue>& value, RefPtr<CSSValue>& value2, RefPtr<CSSValue>& value3)
 {
     propId1 = propId;
     propId2 = propId;
     propId3 = propId;
     if (propId == CSSPropertyWebkitTransformOrigin) {
         propId1 = CSSPropertyWebkitTransformOriginX;
         propId2 = CSSPropertyWebkitTransformOriginY;
         propId3 = CSSPropertyWebkitTransformOriginZ;
@@ skipping 1440 matching lines @@
         switch (length) {
         case 15:
             if (hasEscape)
                 return;
 
             if (isEqualToCSSIdentifier(name + 2, "internal-rule")) {
                 m_token = INTERNAL_RULE_SYM;
                 return;
             }
 
-#if ENABLE(CSS_REGIONS)
             if (isASCIIAlphaCaselessEqual(name[14], 'n') && isEqualToCSSIdentifier(name + 2, "webkit-regio")) {
                 m_token = WEBKIT_REGION_RULE_SYM;
                 return;
             }
-#endif
+
             if (isASCIIAlphaCaselessEqual(name[14], 'r') && isEqualToCSSIdentifier(name + 2, "webkit-filte")) {
                 m_token = WEBKIT_FILTER_RULE_SYM;
                 return;
             }
             return;
 
         case 16:
             if (hasEscape)
                 return;
 
@@ skipping 944 matching lines @@
 }
 
 void CSSParser::setReusableRegionSelectorVector(Vector<OwnPtr<CSSParserSelector> >* selectors)
 {
     if (selectors)
         m_reusableRegionSelectorVector.swap(*selectors);
 }
 
 StyleRuleBase* CSSParser::createRegionRule(Vector<OwnPtr<CSSParserSelector> >* regionSelector, RuleList* rules)
 {
-    if (!cssRegionsEnabled() || !regionSelector || !rules) {
+    if (!RuntimeEnabledFeatures::cssRegionsEnabled() || !regionSelector || !rules) {
         endRuleBody(true);
         return 0;
     }
 
     m_allowImportRules = m_allowNamespaceDeclarations = false;
 
     RefPtr<StyleRuleRegion> regionRule = StyleRuleRegion::create(regionSelector, *rules);
 
     StyleRuleRegion* result = regionRule.get();
     m_parsedRules.append(regionRule.release());
@@ skipping 497 matching lines @@
 {
     // The tokenizer checks for the construct of an+b.
     // However, since the {ident} rule precedes the {nth} rule, some of those
     // tokens are identified as string literal. Furthermore we need to accept
     // "odd" and "even" which does not match to an+b.
     return equalIgnoringCase(token, "odd") || equalIgnoringCase(token, "even")
         || equalIgnoringCase(token, "n") || equalIgnoringCase(token, "-n");
 }
 
 }