Simplify some of the callbacks in the update_client network interface.

Bug: 1020650
Change-Id: I4baa0a0612afb24689854f7109a65b7772a64b88
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1895165
Commit-Queue: Joshua Pawlicki <[email protected]>
Reviewed-by: Sorin Jianu <[email protected]>
Cr-Commit-Position: refs/heads/master@{#712743}
diff --git a/components/update_client/request_sender.h b/components/update_client/request_sender.h
index 7b9e21b..cc568fd 100644
--- a/components/update_client/request_sender.h
+++ b/components/update_client/request_sender.h
@@ -65,9 +65,7 @@
   // Decodes and returns the public key used by CUP.
   static std::string GetKey(const char* key_bytes_base64);
 
-  void OnResponseStarted(const GURL& final_url,
-                         int response_code,
-                         int64_t content_length);
+  void OnResponseStarted(int response_code, int64_t content_length);
 
   void OnNetworkFetcherComplete(const GURL& original_url,
                                 std::unique_ptr<std::string> response_body,