CSS Properties & Values API: Compute initial values for transfrom-list type.

third_party/WebKit/Source/core/css/PropertyRegistration.cpp

Index: third_party/WebKit/Source/core/css/PropertyRegistration.cpp
diff --git a/third_party/WebKit/Source/core/css/PropertyRegistration.cpp b/third_party/WebKit/Source/core/css/PropertyRegistration.cpp
index b7a75bb7e9de41aff60bacee4bdfcf89e1ddbd58..d50270fa503698c9f8b68fb57a1624f8147a0250 100644
--- a/third_party/WebKit/Source/core/css/PropertyRegistration.cpp
+++ b/third_party/WebKit/Source/core/css/PropertyRegistration.cpp
@@ -63,6 +63,15 @@ static bool ComputationallyIndependent(const CSSValue& value) {
     return true;
   }
 
+  if (value.IsFunctionValue()) {

[meade_UTC10, 2017/06/28 07:20:03]

CSSFunctionValue inherits from CSSValueList, and from reading the code, this
should never be reached. Does it still work if you remove this bit?

https://cs.chromium.org/chromium/src/third_party/WebKit/Source/core/css/CSSVa...

[Hwanseung Lee, 2017/06/28 23:37:31]

it is working well without these lines.
i removed them.

+    for (const CSSValue* inner_value : ToCSSFunctionValue(value)) {
+      if (!ComputationallyIndependent(*inner_value)) {
+        return false;
+      }
+    }
+    return true;
+  }
+
   if (value.IsPrimitiveValue()) {
     const CSSPrimitiveValue& primitive_value = ToCSSPrimitiveValue(value);
     if (!primitive_value.IsLength() &&
@@ -80,8 +89,7 @@ static bool ComputationallyIndependent(const CSSValue& value) {
     return true;
   }
 
-  // TODO(timloh): Images and transform-function values can also contain
-  // lengths.
+  // TODO(timloh): Images values can also contain lengths.
 
   return true;
 }