Remove CSS_REGIONS compile flag from Blink.

Source/core/css/CSSParser.cpp

Index: Source/core/css/CSSParser.cpp
diff --git a/Source/core/css/CSSParser.cpp b/Source/core/css/CSSParser.cpp
index 1e98417e926e259dd4aa435f32695090671bc8d4..362023db4eadbb370a067f6b570dde954c491626 100644
--- a/Source/core/css/CSSParser.cpp
+++ b/Source/core/css/CSSParser.cpp
@@ -919,7 +919,6 @@ static inline bool isValidKeywordPropertyAndValue(CSSPropertyID propertyId, int
         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))
@@ -933,7 +932,6 @@ static inline bool isValidKeywordPropertyAndValue(CSSPropertyID propertyId, int
         if (parserContext.isCSSRegionsEnabled && (valueID == CSSValueAuto || valueID == CSSValueBreak))
             return true;
         break;
-#endif
     case CSSPropertyWebkitRtlOrdering:
         if (valueID == CSSValueLogical || valueID == CSSValueVisual)
             return true;
@@ -1098,12 +1096,10 @@ static inline bool isKeywordPropertyID(CSSPropertyID propertyId)
     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)
@@ -2431,7 +2427,6 @@ bool CSSParser::parseValue(CSSPropertyID propId, bool important)
         else
             validPrimitive = validUnit(value, FTime | FInteger | FNonNeg);
         break;
-#if ENABLE(CSS_REGIONS)
     case CSSPropertyWebkitFlowInto:
         if (!cssRegionsEnabled())
             return false;
@@ -2440,7 +2435,6 @@ bool CSSParser::parseValue(CSSPropertyID propId, bool important)
         if (!cssRegionsEnabled())
             return false;
         return parseRegionThread(propId, important);
-#endif
     case CSSPropertyWebkitTransform:
         if (id == CSSValueNone)
             validPrimitive = true;
@@ -2927,12 +2921,10 @@ bool CSSParser::parseValue(CSSPropertyID propId, bool important)
     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)
@@ -8681,7 +8673,6 @@ PassRefPtr<CSSValueList> CSSParser::parseFilter()
     return list.release();
 }
 
-#if ENABLE(CSS_REGIONS)
 static bool validFlowName(const String& flowName)
 {
     return !(equalIgnoringCase(flowName, "auto")
@@ -8690,7 +8681,6 @@ static bool validFlowName(const String& flowName)
             || equalIgnoringCase(flowName, "initial")
             || equalIgnoringCase(flowName, "none"));
 }
-#endif
 
 bool CSSParser::cssRegionsEnabled() const

[eseidel, 2013/04/27 03:40:50]

What is this for?  Doesn't RuntimeEnabledFeatures do this?

 {
@@ -8707,7 +8697,6 @@ 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, "}");
@@ -8780,7 +8769,6 @@ bool CSSParser::parseRegionThread(CSSPropertyID propId, bool important)
 
     return true;
 }
-#endif
 
 bool CSSParser::parseTransformOrigin(CSSPropertyID propId, CSSPropertyID& propId1, CSSPropertyID& propId2, CSSPropertyID& propId3, RefPtr<CSSValue>& value, RefPtr<CSSValue>& value2, RefPtr<CSSValue>& value3)
 {
@@ -10241,12 +10229,11 @@ inline void CSSParser::detectAtToken(int length, bool hasEscape)
                 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;