Remove the speculative resource prefetching code. This was experimental code added 1.5 years ago an…

chrome/browser/profiles/profile_io_data.h

Index: chrome/browser/profiles/profile_io_data.h
===================================================================
--- chrome/browser/profiles/profile_io_data.h	(revision 243063)
+++ chrome/browser/profiles/profile_io_data.h	(working copy)
@@ -36,10 +36,6 @@
 class ProtocolHandlerRegistry;
 class SigninNamesOnIOThread;
 
-namespace chrome_browser_net {
-class ResourcePrefetchPredictorObserver;
-}
-
 namespace extensions {
 class InfoMap;
 }
@@ -191,11 +187,6 @@
     return is_incognito_;
   }
 
-  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();
@@ -265,8 +256,6 @@
     scoped_refptr<net::SSLConfigService> ssl_config_service;
     scoped_refptr<net::CookieMonster::Delegate> cookie_monster_delegate;
     scoped_refptr<extensions::InfoMap> extension_info_map;
-    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
@@ -536,9 +525,6 @@
 
   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_;