Move data reduction proxy to Chrome-Proxy header for authentication

components/data_reduction_proxy/browser/data_reduction_proxy_settings.h

 // Copyright 2014 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_DATA_REDUCTION_PROXY_BROWSER_DATA_REDUCTION_PROXY_SETTINGS_H_
 #define COMPONENTS_DATA_REDUCTION_PROXY_BROWSER_DATA_REDUCTION_PROXY_SETTINGS_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/prefs/pref_member.h"
 #include "base/threading/thread_checker.h"
 #include "components/data_reduction_proxy/browser/data_reduction_proxy_configurator.h"
 #include "components/data_reduction_proxy/browser/data_reduction_proxy_params.h"
 #include "components/data_reduction_proxy/browser/data_reduction_proxy_usage_stats.h"
 #include "net/base/network_change_notifier.h"
 #include "net/url_request/url_fetcher_delegate.h"
 
 class PrefService;
 
 namespace net {
-class AuthChallengeInfo;
 class HostPortPair;
-class HttpAuthCache;
 class HttpNetworkSession;
 class HttpResponseHeaders;
 class URLFetcher;
 class URLRequestContextGetter;
 }
 
 namespace data_reduction_proxy {
 
 // The number of days of bandwidth usage statistics that are tracked.
 const unsigned int kNumDaysInHistory = 60;
@@ skipping 82 matching lines @@
       PrefService* prefs,
       PrefService* local_state_prefs,
       net::URLRequestContextGetter* url_request_context_getter,
       scoped_ptr<DataReductionProxyConfigurator> configurator);
 
   // Sets the logic the embedder uses to set the networking configuration that
   // causes traffic to be proxied.
   void SetProxyConfigurator(
       scoped_ptr<DataReductionProxyConfigurator> configurator);
 
-  // If proxy authentication is compiled in, pre-cache authentication
-  // keys for all configured proxies in |session|.
-  static void InitDataReductionProxySession(
-      net::HttpNetworkSession* session,
-      const DataReductionProxyParams* params);
-
-  // Returns true if |auth_info| represents an authentication challenge from
-  // a compatible, configured proxy.
-  bool IsAcceptableAuthChallenge(net::AuthChallengeInfo* auth_info);
-
-  // Returns a UTF16 string suitable for use as an authentication token in
-  // response to the challenge represented by |auth_info|. If the token can't
-  // be correctly generated for |auth_info|, returns an empty UTF16 string.
-  base::string16 GetTokenForAuthChallenge(net::AuthChallengeInfo* auth_info);
-
   // Returns true if the proxy is enabled.
   bool IsDataReductionProxyEnabled();
 
   // Returns true if the alternative proxy is enabled.
   bool IsDataReductionProxyAlternativeEnabled() const;
 
   // Returns true if the proxy is managed by an adminstrator's policy.
   bool IsDataReductionProxyManaged();
 
   // Enables or disables the data reduction proxy. If a probe URL is available,
@@ skipping 113 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(DataReductionProxySettingsTest,
                            TestBypassList);
   FRIEND_TEST_ALL_PREFIXES(DataReductionProxySettingsTest,
                            CheckInitMetricsWhenNotAllowed);
   FRIEND_TEST_ALL_PREFIXES(DataReductionProxySettingsTest,
                            TestSetProxyConfigs);
 
   // NetworkChangeNotifier::IPAddressObserver:
   virtual void OnIPAddressChanged() OVERRIDE;
 
-  // Underlying implementation of InitDataReductionProxySession(), factored
-  // out to be testable without creating a full HttpNetworkSession.
-  static void InitDataReductionAuthentication(
-      net::HttpAuthCache* auth_cache,
-      const DataReductionProxyParams* params);
-
   void OnProxyEnabledPrefChange();
   void OnProxyAlternativeEnabledPrefChange();
 
   void ResetDataReductionStatistics();
 
   void MaybeActivateDataReductionProxy(bool at_startup);
 
   // Requests the proxy probe URL, if one is set.  If unable to do so, disables
   // the proxy, if enabled. Otherwise enables the proxy if disabled by a probe
   // failure.
@@ skipping 32 matching lines @@
 
   scoped_ptr<DataReductionProxyParams> params_;
   DataReductionProxyUsageStats* usage_stats_;
 
   DISALLOW_COPY_AND_ASSIGN(DataReductionProxySettings);
 };
 
 }  // namespace data_reduction_proxy
 
 #endif  // COMPONENTS_DATA_REDUCTION_PROXY_BROWSER_DATA_REDUCTION_PROXY_SETTINGS_H_