Support 'paint-order' from SVG2.

Source/core/css/CSSParser.h

Index: Source/core/css/CSSParser.h
diff --git a/Source/core/css/CSSParser.h b/Source/core/css/CSSParser.h
index 10e18eae854462769dc96e0062999f37b5dff36d..cedd884e7421e05b9d269c6634623a64315c46cc 100644
--- a/Source/core/css/CSSParser.h
+++ b/Source/core/css/CSSParser.h
@@ -196,6 +196,29 @@ public:
     PassRefPtr<CSSValue> parseSVGPaint();
     PassRefPtr<CSSValue> parseSVGColor();
     PassRefPtr<CSSValue> parseSVGStrokeDasharray();
+
+    enum PaintOrderState {
+        NORMAL,
+        FILL,
+        STROKE,
+        MARKERS,
+        // permutations
+        FILL_STROKE,
+        FILL_MARKERS,
+        STROKE_FILL,
+        STROKE_MARKERS,
+        MARKERS_FILL,
+        MARKERS_STROKE,
+        //FILL_STROKE_MARKERS = NORMAL
+        FILL_MARKERS_STROKE,
+        STROKE_MARKERS_FILL,
+        STROKE_FILL_MARKERS,
+        MARKERS_FILL_STROKE,
+        MARKERS_STROKE_FILL
+    };
+
+    PassRefPtr<CSSValue> parsePaintOrder();
+    bool parsePaintOrderParameter(CSSValueList* parsedValues, CSSParserValue* value, PaintOrderState& paint_order);

[pdr., 2013/05/03 17:58:29]

Can you make these two functions const?

PassRefPtr<CSSValue> parsePaintOrder() const;
bool parsePaintOrderParameter(CSSValueList* parsedValues, CSSParserValue* value,
PaintOrderState
     & paint_order) const;

 #endif
 
     // CSS3 Parsing Routines (for properties specific to CSS3)