Remove URLRequestJob::GetResponseCode implementations from AppCache.

content/browser/appcache/appcache_url_request_job.cc

Index: content/browser/appcache/appcache_url_request_job.cc
diff --git a/content/browser/appcache/appcache_url_request_job.cc b/content/browser/appcache/appcache_url_request_job.cc
index 00ee1aa21b951e5ad91335457e28cb79e444104b..467f39f6da7adc22e68bb1b2d2bd47241f0e29d2 100644
--- a/content/browser/appcache/appcache_url_request_job.cc
+++ b/content/browser/appcache/appcache_url_request_job.cc
@@ -417,12 +417,6 @@ void AppCacheURLRequestJob::GetResponseInfo(net::HttpResponseInfo* info) {
   *info = *http_info();
 }
 
-int AppCacheURLRequestJob::GetResponseCode() const {
-  if (!http_info())
-    return -1;
-  return http_info()->headers->response_code();
-}
-
 int AppCacheURLRequestJob::ReadRawData(net::IOBuffer* buf, int buf_size) {
   DCHECK(is_delivering_appcache_response());
   DCHECK_NE(buf_size, 0);