Bug 1608599 - Add preloaded status for requests in the Network panel r=valentin

Differential Revision: https://phabricator.services.mozilla.com/D67764

--HG--
extra : moz-landing-system : lando

netwerk/base/LoadInfo.cpp

@@ -1647,6 +1647,12 @@ LoadInfo::SetCspEventListener(nsICSPEventListener* aCSPEventListener) {
   return NS_OK;
 }
 
+NS_IMETHODIMP
+LoadInfo::GetInternalContentPolicyType(nsContentPolicyType* aResult) {
+  *aResult = mInternalContentPolicyType;
+  return NS_OK;
+}
+
 already_AddRefed<nsIContentSecurityPolicy> LoadInfo::GetCsp() {
   // Before querying the CSP from the client we have to check if the
   // triggeringPrincipal originates from an addon and potentially

netwerk/base/TRRLoadInfo.cpp

@@ -596,5 +596,11 @@ TRRLoadInfo::SetHttpsOnlyNoUpgrade(bool aHttpsOnlyNoUpgrade) {
   return NS_ERROR_NOT_IMPLEMENTED;
 }
 
+NS_IMETHODIMP
+TRRLoadInfo::GetInternalContentPolicyType(nsContentPolicyType* aResult) {
+  *aResult = mInternalContentPolicyType;
+  return NS_OK;
+}
+
 }  // namespace net
 }  // namespace mozilla

netwerk/base/nsILoadInfo.idl

@@ -557,8 +557,10 @@ interface nsILoadInfo : nsISupports
    * _INTERNAL_ values.  Please use the contentPolicyType attribute above
    * for that purpose.
    */
-  [noscript, notxpcom]
-  nsContentPolicyType internalContentPolicyType();
+  [noscript, notxpcom, nostdcall, binaryname(InternalContentPolicyType)]
+  nsContentPolicyType binaryInternalContentPolicyType();
+
+  readonly attribute nsContentPolicyType internalContentPolicyType;
 
   /**
    * Returns true if document or any of the documents ancestors