--- a/layout/style/CSSStyleSheet.h
+++ b/layout/style/CSSStyleSheet.h
@@ -52,23 +52,18 @@ class ImportRule;
 namespace dom {
 class CSSRuleList;
 } // namespace dom
 
   // -------------------------------
 // CSS Style Sheet Inner Data Container
 //
 
-class CSSStyleSheetInner : public StyleSheetInfo
+struct CSSStyleSheetInner : public StyleSheetInfo
 {
-public:
-  friend class mozilla::CSSStyleSheet;
-  friend class ::nsCSSRuleProcessor;
-
-private:
   CSSStyleSheetInner(CSSStyleSheet* aPrimarySheet,
                      CORSMode aCORSMode,
                      ReferrerPolicy aReferrerPolicy,
                      const dom::SRIMetadata& aIntegrity);
   CSSStyleSheetInner(CSSStyleSheetInner& aCopy,
                      CSSStyleSheet* aPrimarySheet);
   ~CSSStyleSheetInner();
 

--- a/layout/style/StyleSheet.h
+++ b/layout/style/StyleSheet.h
@@ -15,17 +15,17 @@
 
 class nsIDocument;
 class nsINode;
 
 namespace mozilla {
 
 class CSSStyleSheet;
 class ServoStyleSheet;
-class StyleSheetInfo;
+struct StyleSheetInfo;
 
 namespace dom {
 class SRIMetadata;
 } // namespace dom
 
 /**
  * Superclass for data common to CSSStyleSheet and ServoStyleSheet.
  */

--- a/layout/style/StyleSheetInfo.h
+++ b/layout/style/StyleSheetInfo.h
@@ -19,41 +19,35 @@ class CSSStyleSheet;
 class nsCSSRuleProcessor;
 class nsIPrincipal;
 
 namespace mozilla {
 
 /**
  * Struct for data common to CSSStyleSheetInner and ServoStyleSheet.
  */
-class StyleSheetInfo
+struct StyleSheetInfo
 {
-public:
-  friend class mozilla::CSSStyleSheet;
-  friend class ::nsCSSRuleProcessor;
   typedef net::ReferrerPolicy ReferrerPolicy;
 
   StyleSheetInfo(CORSMode aCORSMode,
                  ReferrerPolicy aReferrerPolicy,
                  const dom::SRIMetadata& aIntegrity);
   StyleSheetInfo(const StyleSheetInfo& aCopy);
 
-protected:
   nsCOMPtr<nsIURI>       mSheetURI; // for error reports, etc.
   nsCOMPtr<nsIURI>       mOriginalSheetURI;  // for GetHref.  Can be null.
   nsCOMPtr<nsIURI>       mBaseURI; // for resolving relative URIs
   nsCOMPtr<nsIPrincipal> mPrincipal;
   CORSMode               mCORSMode;
   // The Referrer Policy of a stylesheet is used for its child sheets, so it is
   // stored here.
   ReferrerPolicy         mReferrerPolicy;
   dom::SRIMetadata       mIntegrity;
   bool                   mComplete;
 #ifdef DEBUG
   bool                   mPrincipalSet;
 #endif
-
-  friend class StyleSheet;
 };
 
 } // namespace mozilla
 
 #endif // mozilla_StyleSheetInfo_h