Generate methods for TextEmphasis properties in ComputedStyleBase.

third_party/WebKit/Source/core/css/ComputedStyleExtraFields.json5

 {
 // This file specifies fields in ComputedStyle that we would like to
 // generate, but are not CSS properties.
 
   parameters: {
     // If true, we do not include this field in ComputedStyleBase::InheritFrom
     // and ComputedStyleBase::CopyNonInheritedFromCached.
     custom_copy: {
       default: false,
     },
@@ skipping 411 matching lines @@
       inherited: true,
       field_template: "storage_only",
       type_name: "bool",
       default_value: "true",
       field_size: 1,
       field_group: "rare-inherited",
     },
     {
       name: "TextEmphasisFill",
       inherited: true,
-      field_template: "storage_only",
+      field_template: "keyword",
       type_name: "TextEmphasisFill",
-      default_value: "TextEmphasisFill::kFilled",
-      field_size: 1,
+      default_value: "filled",
+      keywords: ["filled", "open"],
       field_group: "rare-inherited",
     },
     {
       name: "TextEmphasisMark",
       inherited: true,
       field_template: "storage_only",
       type_name: "TextEmphasisMark",
       default_value: "TextEmphasisMark::kNone",
       field_size: 3,
       field_group: "rare-inherited",
     },
     {
-      name: "TextEmphasisPosition",
-      inherited: true,
-      field_template: "storage_only",
-      type_name: "TextEmphasisPosition",
-      default_value: "TextEmphasisPosition::kOver",
-      field_size: 1,
-      field_group: "rare-inherited",
-    },
-    {
       name: "TextIndentLine",
       inherited: true,
       field_template: "keyword",
       type_name: "TextIndentLine",
       keywords: ["first-line", "each-line"],
       default_value: "first-line",
       field_group: "rare-inherited",
     },
     {
       name: "TextIndentType",
@@ skipping 64 matching lines @@
       name: "HyphenationLimitLines",
       inherited: true,
       field_template: "storage_only",
       type_name: "short",
       default_value: "-1",
       field_group: "rare-inherited",
     },
     {
       name: "TextEmphasisCustomMark",
       inherited: true,
-      field_template: "storage_only",
+      field_template: "external",
       type_name: "AtomicString",
       include_paths: ["platform/wtf/text/AtomicString.h"],
       default_value: "AtomicString()",
       field_group: "rare-inherited",
     },
     {
       name: "AppliedTextDecorations",
       inherited: true,
       field_template: "storage_only",
       type_name: "AppliedTextDecorationList",
       include_paths: ["core/style/AppliedTextDecorationList.h"],
       default_value: "nullptr",
       wrapper_pointer_name: "RefPtr",
       field_group: "rare-inherited",
     },
     {
       name: "Variables",
       inherited: true,
       field_template: "storage_only",
       type_name: "StyleInheritedVariables",
       include_paths: ["core/style/StyleInheritedVariables.h"],
       default_value: "nullptr",
       wrapper_pointer_name: "RefPtr",
       field_group: "rare-inherited",
     },
   ],
 }