Adjust callers and networking delegates in ios/ to modified APIs

ios/chrome/browser/net/ios_chrome_network_delegate.cc

Index: ios/chrome/browser/net/ios_chrome_network_delegate.cc
diff --git a/ios/chrome/browser/net/ios_chrome_network_delegate.cc b/ios/chrome/browser/net/ios_chrome_network_delegate.cc
index a26503b0031ab0c76d5ab02cc4d74158e8541c68..51183da9a31b89bac394a463fe042a01a22a9ca0 100644
--- a/ios/chrome/browser/net/ios_chrome_network_delegate.cc
+++ b/ios/chrome/browser/net/ios_chrome_network_delegate.cc
@@ -51,15 +51,15 @@ void ReportInvalidReferrerSend(const GURL& target_url,
 
 // Record network errors that HTTP requests complete with, including OK and
 // ABORTED.
-void RecordNetworkErrorHistograms(const net::URLRequest* request) {
+void RecordNetworkErrorHistograms(const net::URLRequest* request,
+                                  int net_error) {
   if (request->url().SchemeIs("http")) {
     UMA_HISTOGRAM_SPARSE_SLOWLY("Net.HttpRequestCompletionErrorCodes",
-                                std::abs(request->status().error()));
+                                std::abs(net_error));
 
     if (request->load_flags() & net::LOAD_MAIN_FRAME_DEPRECATED) {
       UMA_HISTOGRAM_SPARSE_SLOWLY(
-          "Net.HttpRequestCompletionErrorCodes.MainFrame",
-          std::abs(request->status().error()));
+          "Net.HttpRequestCompletionErrorCodes.MainFrame", std::abs(net_error));
     }
   }
 }
@@ -109,8 +109,9 @@ int IOSChromeNetworkDelegate::OnBeforeURLRequest(
 }
 
 void IOSChromeNetworkDelegate::OnCompleted(net::URLRequest* request,
-                                           bool started) {
-  RecordNetworkErrorHistograms(request);
+                                           bool started,
+                                           int net_error) {
+  RecordNetworkErrorHistograms(request, net_error);
 }
 
 net::NetworkDelegate::AuthRequiredResponse