import from UXP: [network] use nsCOMPtr for mRequest in Base Channel's ScopedRequestSuspender (2ece5214)

netwerk/base/nsBaseChannel.cpp

@@ -39,7 +39,7 @@ public:
       mRequest->Resume();
   }
 private:
-  nsIRequest *mRequest;
+  nsCOMPtr<nsIRequest> mRequest;
 };
 
 // Used to suspend data events from mPump within a function scope.  This is