Roll third_party/inspector_protocol to 4ad35c45aca9834b67ec2cb152c816ea1b7ceb48

third_party/inspector_protocol/templates/TypeBuilder_h.template

Index: third_party/inspector_protocol/templates/TypeBuilder_h.template
diff --git a/third_party/inspector_protocol/templates/TypeBuilder_h.template b/third_party/inspector_protocol/templates/TypeBuilder_h.template
index 2edf737ee7ae2d18b642c1e482a3242867fd543b..66cdebf14d8f6de06fe28e94db8e9e739ea6a4bb 100644
--- a/third_party/inspector_protocol/templates/TypeBuilder_h.template
+++ b/third_party/inspector_protocol/templates/TypeBuilder_h.template
@@ -71,7 +71,7 @@ namespace {{param.name | to_title_case}}Enum {
     {% set type_def = type_definition(domain.domain + "." + type.id)%}
 
 // {{type.description}}
-class {{config.protocol.export_macro}} {{type.id}} {% if type.exported %}: public API::{{type.id}} {% endif %}{
+class {{config.protocol.export_macro}} {{type.id}} : public Serializable{% if type.exported %}, public API::{{type.id}}{% endif %}{
     PROTOCOL_DISALLOW_COPY({{type.id}});
 public:
     static std::unique_ptr<{{type.id}}> parse(protocol::Value* value, ErrorSupport* errors);
@@ -96,7 +96,8 @@ public:
     void {{"set" | to_method_case}}{{property.name | to_title_case}}({{resolve_type(property).pass_type}} value) { m_{{property.name}} = {{resolve_type(property).to_rvalue % "value"}}; }
     {% endfor %}
 
-    std::unique_ptr<protocol::DictionaryValue> serialize() const;
+    std::unique_ptr<protocol::DictionaryValue> serializeValue() const;
+    String serialize() { return serializeValue()->toJSONString(); }
     std::unique_ptr<{{type.id}}> clone() const;
     {% if type.exported %}
     {{config.exported.string_out}} toJSONString() const override;