Added support of calc() for SVGLength

third_party/WebKit/Source/core/css/parser/CSSPropertyParserHelpers.cpp

Index: third_party/WebKit/Source/core/css/parser/CSSPropertyParserHelpers.cpp
diff --git a/third_party/WebKit/Source/core/css/parser/CSSPropertyParserHelpers.cpp b/third_party/WebKit/Source/core/css/parser/CSSPropertyParserHelpers.cpp
index b4e834106660a9cb4b98eda4312a4ca50f1b1f57..3db0f904272fa2bdb3ecfb6a75f91699a905d1f4 100644
--- a/third_party/WebKit/Source/core/css/parser/CSSPropertyParserHelpers.cpp
+++ b/third_party/WebKit/Source/core/css/parser/CSSPropertyParserHelpers.cpp
@@ -222,9 +222,23 @@ CSSPrimitiveValue* consumeLengthOrPercent(CSSParserTokenRange& range, CSSParserM
     if (token.type() == PercentageToken)
         return consumePercent(range, valueRange);
     CalcParser calcParser(range, valueRange);
+
     if (const CSSCalcValue* calculation = calcParser.value()) {
-        if (calculation->category() == CalcLength || calculation->category() == CalcPercent || calculation->category() == CalcPercentLength)
+        switch (calculation->category()) {

[fs, 2016/06/29 09:28:17]

Maybe move this to a helper (predicate) function, and keep the function looking
similar to before.

[Shanmuga Pandi, 2016/07/15 12:18:22]

Done.

+        case CalcLength:
+        case CalcPercent:
+        case CalcPercentLength:
             return calcParser.consumeValue();
+        case CalcNumber:
+        case CalcPercentNumber:
+        case CalcLengthNumber:
+        case CalcPercentLengthNumber:
+            if (cssParserMode == SVGAttributeMode)
+                return calcParser.consumeValue();
+            break;
+        default:
+            break;
+        }
     }
     return nullptr;
 }