Replace string by enum in WebParsedFeaturePolicyDeclaration#feature

content/common/feature_policy/feature_policy.h

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_COMMON_FEATURE_POLICY_FEATURE_POLICY_H_
 #define CONTENT_COMMON_FEATURE_POLICY_FEATURE_POLICY_H_
 
 #include <map>
 #include <memory>
 #include <string>
@@ skipping 72 matching lines @@
 // determined by the feature's default policy. (Again, see the comments in
 // FeaturePolicy::DefaultPolicy for details)
 
 // This struct holds feature policy whitelist data that needs to be replicated
 // between a RenderFrame and any of its associated RenderFrameProxies. A list of
 // these form a ParsedFeaturePolicyHeader.
 // NOTE: These types are used for replication frame state between processes.
 // 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;
 };
 
 using ParsedFeaturePolicyHeader = std::vector<ParsedFeaturePolicyDeclaration>;
 
 class CONTENT_EXPORT FeaturePolicy : public blink::WebFeaturePolicy {
  public:
   // Represents a collection of origins which make up a whitelist in a feature
   // policy. This collection may be set to match every origin (corresponding to
@@ skipping 109 matching lines @@
   std::map<blink::WebFeaturePolicyFeature, bool> inherited_policies_;
 
   const FeatureList& feature_list_;
 
   DISALLOW_COPY_AND_ASSIGN(FeaturePolicy);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_FEATURE_POLICY_FEATURE_POLICY_H_