Enable calc() parsing in the sizes attribute

Source/core/css/parser/SizesAttributeParserTest.cpp

Index: Source/core/css/parser/SizesAttributeParserTest.cpp
diff --git a/Source/core/css/parser/SizesAttributeParserTest.cpp b/Source/core/css/parser/SizesAttributeParserTest.cpp
index b570640c4d7accf27720c7097a99434617c9a7ca..e8765b07777310aad7f4f6b4e1588a75f3f63de2 100644
--- a/Source/core/css/parser/SizesAttributeParserTest.cpp
+++ b/Source/core/css/parser/SizesAttributeParserTest.cpp
@@ -48,6 +48,10 @@ TEST(SizesAttributeParserTest, Basic)
         {"(max-width: 3000px) 200w, 400w", 500},
         {",, , /**/ ,200px", 200},
         {"50vw", 250},
+        {"calc(40vw*2)", 400},
+        {"(min-width:5000px) calc(5000px/10), (min-width:500px) calc(1200px/3)", 400},
+        {"(min-width:500px) calc(1200/3)", 500},
+        {"(min-width:500px) calc(1200px/(0px*14))", 500},
         // FIXME - test all other units, zero length and calc().
         {0, 0} // Do not remove the terminator line.
     };