--- a/netwerk/protocol/http/HttpChannelParent.cpp
+++ b/netwerk/protocol/http/HttpChannelParent.cpp
@@ -2022,52 +2022,47 @@ HttpChannelParent::StartDiversion()
     return;
   }
 }
 
 class HTTPFailDiversionEvent : public Runnable
 {
 public:
   HTTPFailDiversionEvent(HttpChannelParent *aChannelParent,
-                         nsresult aErrorCode,
-                         bool aSkipResume)
+                         nsresult aErrorCode)
     : mChannelParent(aChannelParent)
     , mErrorCode(aErrorCode)
-    , mSkipResume(aSkipResume)
   {
     MOZ_RELEASE_ASSERT(aChannelParent);
     MOZ_RELEASE_ASSERT(NS_FAILED(aErrorCode));
   }
   NS_IMETHOD Run() override
   {
-    mChannelParent->NotifyDiversionFailed(mErrorCode, mSkipResume);
+    mChannelParent->NotifyDiversionFailed(mErrorCode);
     return NS_OK;
   }
 private:
   RefPtr<HttpChannelParent> mChannelParent;
   nsresult mErrorCode;
-  bool mSkipResume;
 };
 
 void
-HttpChannelParent::FailDiversion(nsresult aErrorCode,
-                                 bool aSkipResume)
+HttpChannelParent::FailDiversion(nsresult aErrorCode)
 {
   MOZ_RELEASE_ASSERT(NS_FAILED(aErrorCode));
   MOZ_RELEASE_ASSERT(mDivertingFromChild);
   MOZ_RELEASE_ASSERT(mParentListener);
   MOZ_RELEASE_ASSERT(mChannel);
 
   NS_DispatchToCurrentThread(
-    new HTTPFailDiversionEvent(this, aErrorCode, aSkipResume));
+    new HTTPFailDiversionEvent(this, aErrorCode));
 }
 
 void
-HttpChannelParent::NotifyDiversionFailed(nsresult aErrorCode,
-                                         bool aSkipResume)
+HttpChannelParent::NotifyDiversionFailed(nsresult aErrorCode)
 {
   LOG(("HttpChannelParent::NotifyDiversionFailed [this=%p aErrorCode=%" PRIx32 "]\n",
        this, static_cast<uint32_t>(aErrorCode)));
   MOZ_RELEASE_ASSERT(NS_FAILED(aErrorCode));
   MOZ_RELEASE_ASSERT(mDivertingFromChild);
   MOZ_RELEASE_ASSERT(mParentListener);
   MOZ_RELEASE_ASSERT(mChannel);
 

--- a/netwerk/protocol/http/HttpChannelParent.h
+++ b/netwerk/protocol/http/HttpChannelParent.h
@@ -86,17 +86,17 @@ public:
 
   // Calls OnStartRequest for "DivertTo" listener, then notifies child channel
   // that it should divert OnDataAvailable and OnStopRequest calls to this
   // parent channel.
   void StartDiversion();
 
   // Handles calling OnStart/Stop if there are errors during diversion.
   // Called asynchronously from FailDiversion.
-  void NotifyDiversionFailed(nsresult aErrorCode, bool aSkipResume = true);
+  void NotifyDiversionFailed(nsresult aErrorCode);
 
   // Forwarded to nsHttpChannel::SetApplyConversion.
   void SetApplyConversion(bool aApplyConversion) {
     if (mChannel) {
       mChannel->SetApplyConversion(aApplyConversion);
     }
   }
 
@@ -201,17 +201,17 @@ protected:
   virtual mozilla::ipc::IPCResult RecvRemoveCorsPreflightCacheEntry(const URIParams& uri,
                                                                     const mozilla::ipc::PrincipalInfo& requestingPrincipal) override;
   virtual void ActorDestroy(ActorDestroyReason why) override;
 
   // Supporting function for ADivertableParentChannel.
   MOZ_MUST_USE nsresult ResumeForDiversion();
 
   // Asynchronously calls NotifyDiversionFailed.
-  void FailDiversion(nsresult aErrorCode, bool aSkipResume = true);
+  void FailDiversion(nsresult aErrorCode);
 
   friend class HttpChannelParentListener;
   RefPtr<mozilla::dom::TabParent> mTabParent;
 
   MOZ_MUST_USE nsresult
   ReportSecurityMessage(const nsAString& aMessageTag,
                         const nsAString& aMessageCategory) override;