Wrapped data reduction proxy initialization into its own class

chrome/browser/io_thread.h

 // Copyright (c) 2012 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 CHROME_BROWSER_IO_THREAD_H_
 #define CHROME_BROWSER_IO_THREAD_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 21 matching lines @@
 
 namespace base {
 class CommandLine;
 }
 
 namespace chrome_browser_net {
 class DnsProbeService;
 }
 
 namespace data_reduction_proxy {
-class DataReductionProxyAuthRequestHandler;
-class DataReductionProxyDelegate;
-class DataReductionProxyParams;
+class DataReductionProxyIOData;
 }
 
 namespace extensions {
 class EventRouterForwarder;
 }
 
 namespace net {
 class CertPolicyEnforcer;
 class CertVerifier;
 class ChannelIDService;
@@ skipping 140 matching lines @@
     Optional<size_t> quic_max_packet_length;
     net::QuicTagVector quic_connection_options;
     Optional<std::string> quic_user_agent_id;
     Optional<net::QuicVersionVector> quic_supported_versions;
     Optional<net::HostPortPair> origin_to_force_quic_on;
     bool enable_user_alternate_protocol_ports;
     // NetErrorTabHelper uses |dns_probe_service| to send DNS probes when a
     // main frame load fails with a DNS error in order to provide more useful
     // information to the renderer so it can show a more specific error page.
     scoped_ptr<chrome_browser_net::DnsProbeService> dns_probe_service;
-    scoped_ptr<data_reduction_proxy::DataReductionProxyParams>
-        data_reduction_proxy_params;
-    scoped_ptr<data_reduction_proxy::DataReductionProxyAuthRequestHandler>
-        data_reduction_proxy_auth_request_handler;
-    scoped_ptr<data_reduction_proxy::DataReductionProxyDelegate>
-        data_reduction_proxy_delegate;
+    scoped_ptr<data_reduction_proxy::DataReductionProxyIOData>
+        data_reduction_proxy_io_data;
   };
 
   // |net_log| must either outlive the IOThread or be NULL.
   IOThread(PrefService* local_state,
            policy::PolicyService* policy_service,
            ChromeNetLog* net_log,
            extensions::EventRouterForwarder* extension_event_router_forwarder);
 
   ~IOThread() override;
 
@@ skipping 90 matching lines @@
   net::SSLConfigService* GetSSLConfigService();
 
   void ChangedToOnTheRecordOnIOThread();
 
   void UpdateDnsClientEnabled();
 
   // Configures QUIC options based on the flags in |command_line| as
   // well as the QUIC field trial group.
   void ConfigureQuic(const base::CommandLine& command_line);
 
-  // Set up data reduction proxy related objects on IO thread globals.
-  void SetupDataReductionProxy();
-
   extensions::EventRouterForwarder* extension_event_router_forwarder() {
 #if defined(ENABLE_EXTENSIONS)
     return extension_event_router_forwarder_;
 #else
     return NULL;
 #endif
   }
   // Configures QUIC options in |globals| based on the flags in |command_line|
   // as well as the QUIC field trial group and parameters.
   static void ConfigureQuicGlobals(
@@ skipping 122 matching lines @@
   bool is_spdy_disabled_by_policy_;
 
   const base::TimeTicks creation_time_;
 
   base::WeakPtrFactory<IOThread> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(IOThread);
 };
 
 #endif  // CHROME_BROWSER_IO_THREAD_H_