Make URLRequest::Read to return net errors or bytes read instead of a bool

net/base/network_delegate_impl.cc

Index: net/base/network_delegate_impl.cc
diff --git a/net/base/network_delegate_impl.cc b/net/base/network_delegate_impl.cc
index fa573e9e80f079075fa5eaad4e306ba0378b07e0..be48c3ff0224e6b5bb3f278e377488401c906515 100644
--- a/net/base/network_delegate_impl.cc
+++ b/net/base/network_delegate_impl.cc
@@ -41,21 +41,31 @@ int NetworkDelegateImpl::OnHeadersReceived(
 }
 
 void NetworkDelegateImpl::OnBeforeRedirect(URLRequest* request,
-                                           const GURL& new_location) {
-}
+                                           const GURL& new_location) {}
 
-void NetworkDelegateImpl::OnResponseStarted(URLRequest* request) {
+void NetworkDelegateImpl::OnResponseStarted(URLRequest* request,
+                                            int net_error) {
+  OnResponseStarted(request);
 }
 
+// Deprecated.
+void NetworkDelegateImpl::OnResponseStarted(URLRequest* request) {}
+
 void NetworkDelegateImpl::OnNetworkBytesReceived(URLRequest* request,
                                                  int64_t bytes_received) {}
 
 void NetworkDelegateImpl::OnNetworkBytesSent(URLRequest* request,
                                              int64_t bytes_sent) {}
 
-void NetworkDelegateImpl::OnCompleted(URLRequest* request, bool started) {
+void NetworkDelegateImpl::OnCompleted(URLRequest* request,
+                                      bool started,
+                                      int net_error) {
+  OnCompleted(request, started);
 }
 
+// Deprecated.
+void NetworkDelegateImpl::OnCompleted(URLRequest* request, bool started) {}
+
 void NetworkDelegateImpl::OnURLRequestDestroyed(URLRequest* request) {
 }