Split has_custom_compare_and_copy in ComputedStyleExtraFields.json5.

third_party/WebKit/Source/build/scripts/templates/fields/field.tmpl

Index: third_party/WebKit/Source/build/scripts/templates/fields/field.tmpl
diff --git a/third_party/WebKit/Source/build/scripts/templates/fields/field.tmpl b/third_party/WebKit/Source/build/scripts/templates/fields/field.tmpl
index 1538c97f0640928df413dcd2211396e7751f649f..74fcdeb6584a9243cfc6cd7282d286417b11e426 100644
--- a/third_party/WebKit/Source/build/scripts/templates/fields/field.tmpl
+++ b/third_party/WebKit/Source/build/scripts/templates/fields/field.tmpl
@@ -78,28 +78,28 @@ unsigned {{field.name}} : {{field.size}}; // {{field.type_name}}
 {% for subgroup in group.subgroups %}
   {# If every field in this subgroup is to be compared, we can compare the
      group pointer instead. #}
-  {% if subgroup.all_fields|reject("in", fields_to_compare)|list|length == 0 -%}
+  {% if subgroup.all_fields|rejectattr("custom_compare")|reject("in", fields_to_compare)|list|length == 0 -%}
     {{subgroup.member_name}} == o.{{subgroup.member_name}} &&
   {# Otherwise, we would have to recursively generate comparison operations
      on fields in the subgroup. #}
-  {% elif subgroup.fields|select("in", fields_to_compare)|list|length > 0 -%}
+  {% elif subgroup.fields|rejectattr("custom_compare")|select("in", fields_to_compare)|list|length > 0 -%}
     {{fieldwise_compare(subgroup, fields_to_compare)}}
   {% endif %}
 {% endfor %}
-{% for field in group.fields|select("in", fields_to_compare) -%}
+{% for field in group.fields|rejectattr("custom_compare")|select("in", fields_to_compare) -%}
   {{compare(field.wrapper_pointer_name, getter_expression(field), "o")}} &&
 {% endfor %}
 {% endmacro %}
 
 {% macro fieldwise_copy(group, fields_to_copy) %}
 {% for subgroup in group.subgroups %}
-  {% if subgroup.all_fields|reject("in", fields_to_copy)|list|length == 0 -%}
+  {% if subgroup.all_fields|rejectattr("custom_copy")|reject("in", fields_to_copy)|list|length == 0 -%}
     {{subgroup.member_name}} = other.{{subgroup.member_name}};
-  {% elif subgroup.fields|select("in", fields_to_copy)|list|length > 0 -%}
+  {% elif subgroup.fields|rejectattr("custom_copy")|select("in", fields_to_copy)|list|length > 0 -%}
     {{fieldwise_copy(subgroup, fields_to_copy)}}
   {% endif %}
 {% endfor %}
-{% for field in group.fields|select("in", fields_to_copy) -%}
+{% for field in group.fields|rejectattr("custom_copy")|select("in", fields_to_copy) -%}
   {{setter_expression(field)}} = other.{{getter_expression(field)}};
 {% endfor %}
 {% endmacro %}