Passing in a Data Reduction Proxy Delegate from Cronet with Data Reduction Proxy Enabled

components/cronet/android/cronet_data_reduction_proxy.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef COMPONENTS_CRONET_ANDROID_CRONET_DATA_REDUCTION_PROXY_H_
 #define COMPONENTS_CRONET_ANDROID_CRONET_DATA_REDUCTION_PROXY_H_
 
 #include <string>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 
 class PrefService;
 
 namespace base {
 class SingleThreadTaskRunner;
 }
 
 namespace data_reduction_proxy {
 class DataReductionProxyIOData;
 class DataReductionProxySettings;
 }
 
 namespace net {
 class NetLog;
 class NetworkDelegate;
+class ProxyDelegate;
 class URLRequestContext;
 class URLRequestContextGetter;
 class URLRequestInterceptor;
 }
 
 namespace cronet {
 
 // Wrapper and configurator of Data Reduction Proxy objects for Cronet. It
 // configures the Data Reduction Proxy to run both its UI and IO classes on
 // Cronet's network thread.
@@ skipping 12 matching lines @@
       scoped_refptr<base::SingleThreadTaskRunner> task_runner,
       net::NetLog* net_log);
 
   ~CronetDataReductionProxy();
 
   // Constructs a network delegate suitable for adding Data Reduction Proxy
   // request headers.
   scoped_ptr<net::NetworkDelegate> CreateNetworkDelegate(
       scoped_ptr<net::NetworkDelegate> wrapped_network_delegate);
 
+  scoped_ptr<net::ProxyDelegate> CreateProxyDelegate();

[mef, 2016/02/29 15:38:56]

could you add a comment?

+
   // Constructs a URLRequestInterceptor suitable for carrying out the Data
   // Reduction Proxy's bypass protocol.
   scoped_ptr<net::URLRequestInterceptor> CreateInterceptor();
 
   // Constructs a bridge between the Settings and IOData objects, sets up a
   // context for secure proxy check requests, and enables the proxy, if
   // |enable| is true.
   void Init(bool enable, net::URLRequestContext* context);
 
  private:
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
   scoped_ptr<PrefService> prefs_;
   scoped_refptr<net::URLRequestContextGetter> url_request_context_getter_;
   scoped_ptr<data_reduction_proxy::DataReductionProxySettings> settings_;
   scoped_ptr<data_reduction_proxy::DataReductionProxyIOData> io_data_;
 
   DISALLOW_COPY_AND_ASSIGN(CronetDataReductionProxy);
 };
 
 }  // namespace cronet
 
 #endif  // COMPONENTS_CRONET_ANDROID_CRONET_DATA_REDUCTION_PROXY_H_