Allow use of @apply and custom properties in InlineStylePropertyMap::getProperties()

third_party/WebKit/Source/core/css/cssom/InlineStylePropertyMap.cpp

Index: third_party/WebKit/Source/core/css/cssom/InlineStylePropertyMap.cpp
diff --git a/third_party/WebKit/Source/core/css/cssom/InlineStylePropertyMap.cpp b/third_party/WebKit/Source/core/css/cssom/InlineStylePropertyMap.cpp
index 43299903125d63987626dbe3b4c2c8309ca39f4f..aaf30f197b81d13891969da20a3b114089312746 100644
--- a/third_party/WebKit/Source/core/css/cssom/InlineStylePropertyMap.cpp
+++ b/third_party/WebKit/Source/core/css/cssom/InlineStylePropertyMap.cpp
@@ -54,7 +54,15 @@ Vector<String> InlineStylePropertyMap::getProperties()
     StylePropertySet& inlineStyleSet = m_ownerElement->ensureMutableInlineStyle();
     for (unsigned i = 0; i < inlineStyleSet.propertyCount(); i++) {
         CSSPropertyID propertyID = inlineStyleSet.propertyAt(i).id();
-        result.append(getPropertyNameString(propertyID));
+        if (propertyID == CSSPropertyVariable) {
+            StylePropertySet::PropertyReference propertyReference = inlineStyleSet.propertyAt(i);
+            const CSSCustomPropertyDeclaration& customDeclaration = toCSSCustomPropertyDeclaration(propertyReference.value());
+            result.append(customDeclaration.name());
+        } else if (propertyID == CSSPropertyApplyAtRule) {
+            result.append("@apply");
+        } else if (propertyID >= firstCSSProperty && propertyID <= lastUnresolvedCSSProperty) {

[sashab, 2016/08/08 05:30:38]

This should really be a function... But it's used everywhere atm :'( So this is
fine for now.

[meade_UTC10, 2016/08/08 06:04:00]

Oops, that shouldn't even be there! Removed.

+            result.append(getPropertyNameString(propertyID));
+        }
     }
     return result;
 }