Move data reduction proxy logic out of chrome and android webview network delegate

chrome/browser/net/chrome_network_delegate.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_NET_CHROME_NETWORK_DELEGATE_H_
 #define CHROME_BROWSER_NET_CHROME_NETWORK_DELEGATE_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_metrics.h"
-#include "net/base/network_delegate.h"
-#include "net/proxy/proxy_retry_info.h"
+#include "net/base/network_delegate_impl.h"
 
 class ChromeExtensionsNetworkDelegate;
 class ClientHints;
 class CookieSettings;
 class PrefService;
 
 template<class T> class PrefMember;
 
 typedef PrefMember<bool> BooleanPrefMember;
 
 namespace base {
 class Value;
 }
 
 namespace chrome_browser_net {
 class ConnectInterceptor;
 class Predictor;
 }
 
-namespace data_reduction_proxy {
-class DataReductionProxyAuthRequestHandler;
-class DataReductionProxyParams;
-class DataReductionProxyStatisticsPrefs;
-class DataReductionProxyUsageStats;
-}
-
 namespace domain_reliability {
 class DomainReliabilityMonitor;
 }
 
 namespace extensions {
 class EventRouterForwarder;
 class InfoMap;
 }
 
 namespace net {
-class ProxyConfig;
-class ProxyInfo;
-class ProxyServer;
-class ProxyService;
 class URLRequest;
 }
 
 namespace policy {
 class URLBlacklistManager;
 }
 
 namespace prerender {
 class PrerenderTracker;
 }
 
 // ChromeNetworkDelegate is the central point from within the chrome code to
 // add hooks into the network stack.
-class ChromeNetworkDelegate : public net::NetworkDelegate {
+class ChromeNetworkDelegate : public net::NetworkDelegateImpl {
  public:
-  // Provides an opportunity to interpose on proxy resolution. Called before
-  // ProxyService.ResolveProxy() returns. Two proxy configurations are provided
-  // that specify the data reduction proxy's configuration and the effective
-  // configuration according to the proxy service, respectively. Retry info is
-  // presumed to be from the proxy service.
-  typedef base::Callback<void(
-      const GURL& url,
-      int load_flags,
-      const net::ProxyConfig& data_reduction_proxy_config,
-      const net::ProxyConfig& proxy_service_proxy_config,
-      const net::ProxyRetryInfoMap& proxy_retry_info_map,
-      const data_reduction_proxy::DataReductionProxyParams* params,
-      net::ProxyInfo* result)> OnResolveProxyHandler;
-
-  // Provides an additional proxy configuration that can be consulted after
-  // proxy resolution.
-  typedef base::Callback<const net::ProxyConfig&()> ProxyConfigGetter;
-
   // |enable_referrers| (and all of the other optional PrefMembers) should be
   // initialized on the UI thread (see below) beforehand. This object's owner is
   // responsible for cleaning them up at shutdown.
   ChromeNetworkDelegate(extensions::EventRouterForwarder* event_router,
                         BooleanPrefMember* enable_referrers);
   ~ChromeNetworkDelegate() override;
 
   // Pass through to ChromeExtensionsNetworkDelegate::set_extension_info_map().
   void set_extension_info_map(extensions::InfoMap* extension_info_map);
 
@@ skipping 27 matching lines @@
 
   void set_enable_do_not_track(BooleanPrefMember* enable_do_not_track) {
     enable_do_not_track_ = enable_do_not_track;
   }
 
   void set_force_google_safe_search(
       BooleanPrefMember* force_google_safe_search) {
     force_google_safe_search_ = force_google_safe_search;
   }
 
-  void set_data_reduction_proxy_enabled_pref(
-      BooleanPrefMember* data_reduction_proxy_enabled) {
-    data_reduction_proxy_enabled_ = data_reduction_proxy_enabled;
-  }
-
   void set_domain_reliability_monitor(
       domain_reliability::DomainReliabilityMonitor* monitor) {
     domain_reliability_monitor_ = monitor;
   }
 
   void set_prerender_tracker(prerender::PrerenderTracker* prerender_tracker) {
     prerender_tracker_ = prerender_tracker;
   }
 
-  // |data_reduction_proxy_params_| must outlive this ChromeNetworkDelegate.
-  void set_data_reduction_proxy_params(
-      data_reduction_proxy::DataReductionProxyParams* params) {
-    data_reduction_proxy_params_ = params;
-  }
-
-  // |data_reduction_proxy_usage_stats_| must outlive this
-  // ChromeNetworkDelegate.
-  void set_data_reduction_proxy_usage_stats(
-      data_reduction_proxy::DataReductionProxyUsageStats* usage_stats) {
-    data_reduction_proxy_usage_stats_ = usage_stats;
-  }
-
-  // |data_reduction_proxy_auth_request_handler_| must outlive this
-  // ChromeNetworkDelegate.
-  void set_data_reduction_proxy_auth_request_handler(
-      data_reduction_proxy::DataReductionProxyAuthRequestHandler* handler) {
-    data_reduction_proxy_auth_request_handler_ = handler;
-  }
-
-  // |data_reduction_proxy_statistics_prefs_| must outlive this
-  // ChromeNetworkDelegate.
-  void set_data_reduction_proxy_statistics_prefs(
-      data_reduction_proxy::DataReductionProxyStatisticsPrefs*
-          statistics_prefs) {
-    data_reduction_proxy_statistics_prefs_ = statistics_prefs;
-  }
-
-  void set_on_resolve_proxy_handler(OnResolveProxyHandler handler) {
-    on_resolve_proxy_handler_ = handler;
-  }
-
-  void set_proxy_config_getter(const ProxyConfigGetter& getter) {
-    proxy_config_getter_ = getter;
-  }
-
   // Adds the Client Hints header to HTTP requests.
   void SetEnableClientHints();
 
   // Causes |OnCanThrottleRequest| to always return false, for all
   // instances of this object.
   static void NeverThrottleRequests();
 
   // Binds the pref members to |pref_service| and moves them to the IO thread.
   // |enable_referrers| cannot be NULL, the others can.
   // This method should be called on the UI thread.
   static void InitializePrefsOnUIThread(
       BooleanPrefMember* enable_referrers,
       BooleanPrefMember* enable_do_not_track,
       BooleanPrefMember* force_google_safe_search,
       PrefService* pref_service);
 
   // When called, all file:// URLs will now be accessible.  If this is not
   // called, then some platforms restrict access to file:// paths.
   static void AllowAccessToAllFiles();
 
-  // Creates a Value summary of the persistent state of the network session.
-  // The caller is responsible for deleting the returned value.
-  // Must be called on the UI thread.
-  static base::Value* HistoricNetworkStatsInfoToValue(PrefService* prefs);
-
-  // Creates a Value summary of the state of the network session. The caller is
-  // responsible for deleting the returned value.
-  base::Value* SessionNetworkStatsInfoToValue() const;
-
  private:
   friend class ChromeNetworkDelegateTest;
 
   // NetworkDelegate implementation.
   int OnBeforeURLRequest(net::URLRequest* request,
                          const net::CompletionCallback& callback,
                          GURL* new_url) override;
-  void OnResolveProxy(const GURL& url,
-                      int load_flags,
-                      const net::ProxyService& proxy_service,
-                      net::ProxyInfo* result) override;
-  void OnProxyFallback(const net::ProxyServer& bad_proxy,
-                       int net_error) override;
   int OnBeforeSendHeaders(net::URLRequest* request,
                           const net::CompletionCallback& callback,
                           net::HttpRequestHeaders* headers) override;
-  void OnBeforeSendProxyHeaders(net::URLRequest* request,
-                                const net::ProxyInfo& proxy_info,
-                                net::HttpRequestHeaders* headers) override;
   void OnSendHeaders(net::URLRequest* request,
                      const net::HttpRequestHeaders& headers) override;
   int OnHeadersReceived(
       net::URLRequest* request,
       const net::CompletionCallback& callback,
       const net::HttpResponseHeaders* original_response_headers,
       scoped_refptr<net::HttpResponseHeaders>* override_response_headers,
       GURL* allowed_unsafe_redirect_url) override;
   void OnBeforeRedirect(net::URLRequest* request,
                         const GURL& new_location) override;
@@ skipping 18 matching lines @@
   bool OnCanEnablePrivacyMode(
       const GURL& url,
       const GURL& first_party_for_cookies) const override;
   bool OnCancelURLRequestWithPolicyViolatingReferrerHeader(
       const net::URLRequest& request,
       const GURL& target_url,
       const GURL& referrer_url) const override;
 
   void AccumulateContentLength(
       int64 received_payload_byte_count,
-      int64 original_payload_byte_count,
-      data_reduction_proxy::DataReductionProxyRequestType request_type);
+      int64 original_payload_byte_count);
 
   scoped_ptr<ChromeExtensionsNetworkDelegate> extensions_delegate_;
 
   void* profile_;
   base::FilePath profile_path_;
   scoped_refptr<CookieSettings> cookie_settings_;
 
   scoped_ptr<chrome_browser_net::ConnectInterceptor> connect_interceptor_;
 
   // Weak, owned by our owner.
   BooleanPrefMember* enable_referrers_;
   BooleanPrefMember* enable_do_not_track_;
   BooleanPrefMember* force_google_safe_search_;
-  BooleanPrefMember* data_reduction_proxy_enabled_;
 
   // Weak, owned by our owner.
 #if defined(ENABLE_CONFIGURATION_POLICY)
   const policy::URLBlacklistManager* url_blacklist_manager_;
 #endif
   domain_reliability::DomainReliabilityMonitor* domain_reliability_monitor_;
 
   // When true, allow access to all file:// URLs.
   static bool g_allow_file_access_;
 
   // True if OnCanThrottleRequest should always return false.
   //
   // Note: This needs to be static as the instance of
   // ChromeNetworkDelegate used may change over time, and we need to
   // set this variable once at start-up time.  It is effectively
   // static anyway since it is based on a command-line flag.
   static bool g_never_throttle_requests_;
 
-  // Total size of all content (excluding headers) that has been received
-  // over the network.
-  int64 received_content_length_;
-
-  // Total original size of all content before it was transferred.
-  int64 original_content_length_;
-
   scoped_ptr<ClientHints> client_hints_;
 
   bool first_request_;
 
   prerender::PrerenderTracker* prerender_tracker_;
 
-  // |data_reduction_proxy_params_| must outlive this ChromeNetworkDelegate.
-  data_reduction_proxy::DataReductionProxyParams* data_reduction_proxy_params_;
-  // |data_reduction_proxy_usage_stats_| must outlive this
-  // ChromeNetworkDelegate.
-  data_reduction_proxy::DataReductionProxyUsageStats*
-      data_reduction_proxy_usage_stats_;
-  data_reduction_proxy::DataReductionProxyAuthRequestHandler*
-      data_reduction_proxy_auth_request_handler_;
-  data_reduction_proxy::DataReductionProxyStatisticsPrefs*
-      data_reduction_proxy_statistics_prefs_;
-
-  OnResolveProxyHandler on_resolve_proxy_handler_;
-  ProxyConfigGetter proxy_config_getter_;
-
   DISALLOW_COPY_AND_ASSIGN(ChromeNetworkDelegate);
 };
 
 #endif  // CHROME_BROWSER_NET_CHROME_NETWORK_DELEGATE_H_