Replace string by enum in WebParsedFeaturePolicyDeclaration#feature

content/common/feature_policy/feature_policy.h

Index: content/common/feature_policy/feature_policy.h
diff --git a/content/common/feature_policy/feature_policy.h b/content/common/feature_policy/feature_policy.h
index 86a4103c4ed1159d9cb023b6d5f92c13ce6e9a0d..cd8f2f0ba733412ed7c976c6cf3392fa659e2933 100644
--- a/content/common/feature_policy/feature_policy.h
+++ b/content/common/feature_policy/feature_policy.h
@@ -90,13 +90,13 @@ namespace content {
 // They exist only because we can't transfer WebVectors directly over IPC.
 struct CONTENT_EXPORT ParsedFeaturePolicyDeclaration {
   ParsedFeaturePolicyDeclaration();
-  ParsedFeaturePolicyDeclaration(std::string feature_name,
+  ParsedFeaturePolicyDeclaration(blink::WebFeaturePolicyFeature feature,
                                  bool matches_all_origins,
                                  std::vector<url::Origin> origins);
   ParsedFeaturePolicyDeclaration(const ParsedFeaturePolicyDeclaration& rhs);
   ~ParsedFeaturePolicyDeclaration();
 
-  std::string feature_name;
+  blink::WebFeaturePolicyFeature feature;
   bool matches_all_origins;
   std::vector<url::Origin> origins;
 };