Generate methods for TextEmphasis properties in ComputedStyleBase.

This patch generates getters/setters/mapping for TextEmphasisFill,
TextEmphasisPosition, TextEmphasisCustomMark.

BUG=628043

Review-Url: https://codereview.chromium.org/2904403002
Cr-Commit-Position: refs/heads/master@{#475800}

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

@@ -2610,7 +2610,11 @@
     {
       name: "-webkit-text-emphasis-position",
       inherited: true,
+      field_template: "keyword",
       type_name: "TextEmphasisPosition",
+      default_value: "over",
+      keywords: ["over", "under"],
+      field_group: "rare-inherited",
     },
     {
       name: "-webkit-text-emphasis-style",

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

@@ -429,10 +429,10 @@
     {
       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",
     },
     {
@@ -444,15 +444,6 @@
       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,
@@ -538,7 +529,7 @@
     {
       name: "TextEmphasisCustomMark",
       inherited: true,
-      field_template: "storage_only",
+      field_template: "external",
       type_name: "AtomicString",
       include_paths: ["platform/wtf/text/AtomicString.h"],
       default_value: "AtomicString()",

third_party/WebKit/Source/core/style/ComputedStyle.h

@@ -1715,35 +1715,15 @@ class CORE_EXPORT ComputedStyle : public ComputedStyleBase<ComputedStyle>,
   }
 
   // Text emphasis properties.
-  static TextEmphasisFill InitialTextEmphasisFill() {
-    return TextEmphasisFill::kFilled;
-  }
   static TextEmphasisMark InitialTextEmphasisMark() {
     return TextEmphasisMark::kNone;
   }
-  static const AtomicString& InitialTextEmphasisCustomMark() {
-    return g_null_atom;
-  }
-  TextEmphasisFill GetTextEmphasisFill() const {
-    return static_cast<TextEmphasisFill>(
-        rare_inherited_data_->text_emphasis_fill_);
-  }
   TextEmphasisMark GetTextEmphasisMark() const;
-  const AtomicString& TextEmphasisCustomMark() const {
-    return rare_inherited_data_->text_emphasis_custom_mark_;
-  }
-  const AtomicString& TextEmphasisMarkString() const;
-  void SetTextEmphasisFill(TextEmphasisFill fill) {
-    SET_VAR(rare_inherited_data_, text_emphasis_fill_,
-            static_cast<unsigned>(fill));
-  }
   void SetTextEmphasisMark(TextEmphasisMark mark) {
     SET_VAR(rare_inherited_data_, text_emphasis_mark_,
             static_cast<unsigned>(mark));
   }
-  void SetTextEmphasisCustomMark(const AtomicString& mark) {
-    SET_VAR(rare_inherited_data_, text_emphasis_custom_mark_, mark);
-  }
+  const AtomicString& TextEmphasisMarkString() const;
 
   // -webkit-text-emphasis-color (aka -epub-text-emphasis-color)
   void SetTextEmphasisColor(const StyleColor& color) {
@@ -1752,19 +1732,6 @@ class CORE_EXPORT ComputedStyle : public ComputedStyleBase<ComputedStyle>,
             color.IsCurrentColor());
   }
 
-  // -webkit-text-emphasis-position
-  static TextEmphasisPosition InitialTextEmphasisPosition() {
-    return TextEmphasisPosition::kOver;
-  }
-  TextEmphasisPosition GetTextEmphasisPosition() const {
-    return static_cast<TextEmphasisPosition>(
-        rare_inherited_data_->text_emphasis_position_);
-  }
-  void SetTextEmphasisPosition(TextEmphasisPosition position) {
-    SET_VAR(rare_inherited_data_, text_emphasis_position_,
-            static_cast<unsigned>(position));
-  }
-
   // -webkit-line-clamp
   static LineClampValue InitialLineClamp() { return LineClampValue(); }
   const LineClampValue& LineClamp() const {

third_party/WebKit/Source/core/style/ComputedStyleConstants.h

@@ -265,8 +265,6 @@ enum EBackfaceVisibility {
 
 enum ELineClampType { kLineClampLineCount, kLineClampPercentage };
 
-enum class TextEmphasisFill { kFilled, kOpen };
-
 enum class TextEmphasisMark {
   kNone,
   kAuto,
@@ -278,8 +276,6 @@ enum class TextEmphasisMark {
   kCustom
 };
 
-enum class TextEmphasisPosition { kOver, kUnder };
-
 enum class TextOrientation { kMixed, kUpright, kSideways };
 
 enum TextOverflow { kTextOverflowClip = 0, kTextOverflowEllipsis };