Functionality to allow blacklist and whitelist of custom schemes

net/url_request/url_request.h

Index: net/url_request/url_request.h
diff --git a/net/url_request/url_request.h b/net/url_request/url_request.h
index b470d85c34f4e6da1d22b6cb7093e2daae2ae453..4310735eecbde1e0ca0d78db91dba7af1c8ecd20 100644
--- a/net/url_request/url_request.h
+++ b/net/url_request/url_request.h
@@ -620,6 +620,8 @@ class NET_EXPORT URLRequest : NON_EXPORTED_BASE(public base::NonThreadSafe),
   // Used to specify the context (cookie store, cache) for this request.
   const URLRequestContext* context() const;
 
+  const NetworkDelegate* network_delegate() const { return network_delegate_; }
+
   const BoundNetLog& net_log() const { return net_log_; }
 
   // Returns the expected content size if available