Revert of Revert CL 117933003. Re-add resource speculative prefetching code.

chrome/browser/profiles/profile_io_data.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_PROFILES_PROFILE_IO_DATA_H_
 #define CHROME_BROWSER_PROFILES_PROFILE_IO_DATA_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 24 matching lines @@
 class ChromeNetworkDelegate;
 class ChromeURLRequestContextGetter;
 class CookieSettings;
 class DevToolsNetworkController;
 class HostContentSettingsMap;
 class MediaDeviceIDSalt;
 class ProtocolHandlerRegistry;
 class SigninNamesOnIOThread;
 class SupervisedUserURLFilter;
 
-namespace chrome_browser_net {
-class ResourcePrefetchPredictorObserver;
-}
-
 namespace extensions {
 class InfoMap;
 }
 
 namespace net {
 class CertVerifier;
 class ChannelIDService;
 class CookieStore;
 class FraudulentCertificateReporter;
 class FtpTransactionFactory;
@@ skipping 166 matching lines @@
   Profile::ProfileType profile_type() const {
     return profile_type_;
   }
 
   bool IsOffTheRecord() const;
 
   IntegerPrefMember* incognito_availibility() const {
     return &incognito_availibility_pref_;
   }
 
-  chrome_browser_net::ResourcePrefetchPredictorObserver*
-      resource_prefetch_predictor_observer() const {
-    return resource_prefetch_predictor_observer_.get();
-  }
-
 #if defined(ENABLE_CONFIGURATION_POLICY)
   policy::PolicyHeaderIOHelper* policy_header_helper() const {
     return policy_header_helper_.get();
   }
 #endif
 
 #if defined(ENABLE_MANAGED_USERS)
   const SupervisedUserURLFilter* supervised_user_url_filter() const {
     return supervised_user_url_filter_.get();
   }
@@ skipping 62 matching lines @@
 
     base::FilePath path;
     IOThread* io_thread;
     scoped_refptr<CookieSettings> cookie_settings;
     scoped_refptr<HostContentSettingsMap> host_content_settings_map;
     scoped_refptr<net::SSLConfigService> ssl_config_service;
     scoped_refptr<net::CookieMonster::Delegate> cookie_monster_delegate;
 #if defined(ENABLE_EXTENSIONS)
     scoped_refptr<extensions::InfoMap> extension_info_map;
 #endif
-    scoped_ptr<chrome_browser_net::ResourcePrefetchPredictorObserver>
-        resource_prefetch_predictor_observer_;
 
     // This pointer exists only as a means of conveying a url job factory
     // pointer from the protocol handler registry on the UI thread to the
     // the URLRequestContext on the IO thread. The consumer MUST take
     // ownership of the object by calling release() on this pointer.
     scoped_ptr<ProtocolHandlerRegistry::JobInterceptorFactory>
         protocol_handler_interceptor;
 
     // We need to initialize the ProxyConfigService from the UI thread
     // because on linux it relies on initializing things through gconf,
@@ skipping 271 matching lines @@
   // One URLRequestContext per isolated app for main and media requests.
   mutable URLRequestContextMap app_request_context_map_;
   mutable URLRequestContextMap isolated_media_request_context_map_;
 
   mutable scoped_ptr<ResourceContext> resource_context_;
 
   mutable scoped_refptr<CookieSettings> cookie_settings_;
 
   mutable scoped_refptr<HostContentSettingsMap> host_content_settings_map_;
 
-  mutable scoped_ptr<chrome_browser_net::ResourcePrefetchPredictorObserver>
-      resource_prefetch_predictor_observer_;
-
   mutable scoped_ptr<ChromeHttpUserAgentSettings>
       chrome_http_user_agent_settings_;
 
 #if defined(ENABLE_MANAGED_USERS)
   mutable scoped_refptr<const SupervisedUserURLFilter>
       supervised_user_url_filter_;
 #endif
 
   mutable scoped_ptr<DevToolsNetworkController> network_controller_;
 
   // TODO(jhawkins): Remove once crbug.com/102004 is fixed.
   bool initialized_on_UI_thread_;
 
   const Profile::ProfileType profile_type_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileIOData);
 };
 
 #endif  // CHROME_BROWSER_PROFILES_PROFILE_IO_DATA_H_