Implement parseShorthand API for shorthand properties, "overflow", "font" and "font-variant"

third_party/WebKit/Source/core/css/properties/CSSShorthandPropertyAPIWebkitMarginCollapse.cpp

Index: third_party/WebKit/Source/core/css/properties/CSSShorthandPropertyAPIWebkitMarginCollapse.cpp
diff --git a/third_party/WebKit/Source/core/css/properties/CSSShorthandPropertyAPIWebkitMarginCollapse.cpp b/third_party/WebKit/Source/core/css/properties/CSSShorthandPropertyAPIWebkitMarginCollapse.cpp
index cf22436b2d7398c2a590763bf3e02482ea477663..970c165d034e9e2d359cdfc48b76c47904042be2 100644
--- a/third_party/WebKit/Source/core/css/properties/CSSShorthandPropertyAPIWebkitMarginCollapse.cpp
+++ b/third_party/WebKit/Source/core/css/properties/CSSShorthandPropertyAPIWebkitMarginCollapse.cpp
@@ -25,12 +25,14 @@ bool CSSShorthandPropertyAPIWebkitMarginCollapse::parseShorthand(
   CSSValue* before_collapse = CSSIdentifierValue::Create(id);
   CSSPropertyParserHelpers::AddProperty(
       CSSPropertyWebkitMarginBeforeCollapse, CSSPropertyWebkitMarginCollapse,
-      *before_collapse, important, false /* implicit */, properties);
+      *before_collapse, important,
+      CSSPropertyParserHelpers::IsImplicitProperty::kNotImplicit, properties);
 
   if (range.AtEnd()) {
     CSSPropertyParserHelpers::AddProperty(
         CSSPropertyWebkitMarginAfterCollapse, CSSPropertyWebkitMarginCollapse,
-        *before_collapse, important, false /* implicit */, properties);
+        *before_collapse, important,
+        CSSPropertyParserHelpers::IsImplicitProperty::kNotImplicit, properties);
     return true;
   }
 
@@ -40,8 +42,8 @@ bool CSSShorthandPropertyAPIWebkitMarginCollapse::parseShorthand(
     return false;
   CSSPropertyParserHelpers::AddProperty(
       CSSPropertyWebkitMarginAfterCollapse, CSSPropertyWebkitMarginCollapse,
-      *CSSIdentifierValue::Create(id), important, false /* implicit */,
-      properties);
+      *CSSIdentifierValue::Create(id), important,
+      CSSPropertyParserHelpers::IsImplicitProperty::kNotImplicit, properties);
   return true;
 }