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

chrome/browser/ui/browser_tab_contents.cc

 // 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.
 
 #include "chrome/browser/ui/browser_tab_contents.h"
 
 #include "base/command_line.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
 #include "chrome/browser/extensions/api/web_navigation/web_navigation_api.h"
 #include "chrome/browser/extensions/extension_web_contents_observer.h"
 #include "chrome/browser/extensions/tab_helper.h"
 #include "chrome/browser/external_protocol/external_protocol_observer.h"
 #include "chrome/browser/favicon/favicon_tab_helper.h"
 #include "chrome/browser/history/history_tab_helper.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/browser/managed_mode/managed_mode_navigation_observer.h"
 #include "chrome/browser/net/net_error_tab_helper.h"
 #include "chrome/browser/net/predictor_tab_helper.h"
 #include "chrome/browser/network_time/navigation_time_helper.h"
 #include "chrome/browser/password_manager/password_generation_manager.h"
 #include "chrome/browser/password_manager/password_manager.h"
 #include "chrome/browser/password_manager/password_manager_delegate_impl.h"
 #include "chrome/browser/plugins/plugin_observer.h"
-#include "chrome/browser/predictors/resource_prefetch_predictor_factory.h"
-#include "chrome/browser/predictors/resource_prefetch_predictor_tab_helper.h"
 #include "chrome/browser/prerender/prerender_tab_helper.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/safe_browsing/safe_browsing_tab_observer.h"
 #include "chrome/browser/sessions/session_tab_helper.h"
 #include "chrome/browser/ssl/ssl_tab_helper.h"
 #include "chrome/browser/tab_contents/navigation_metrics_recorder.h"
 #include "chrome/browser/thumbnails/thumbnail_tab_helper.h"
 #include "chrome/browser/translate/translate_tab_helper.h"
 #include "chrome/browser/ui/alternate_error_tab_observer.h"
 #include "chrome/browser/ui/autofill/tab_autofill_manager_delegate.h"
@@ skipping 125 matching lines @@
   ZoomController::CreateForWebContents(web_contents);
 
 #if defined(ENABLE_CAPTIVE_PORTAL_DETECTION)
   captive_portal::CaptivePortalTabHelper::CreateForWebContents(web_contents);
 #endif
 
   if (profile->IsManaged()) {
     ManagedModeNavigationObserver::CreateForWebContents(web_contents);
   }
 
-  if (predictors::ResourcePrefetchPredictorFactory::GetForProfile(profile)) {
-    predictors::ResourcePrefetchPredictorTabHelper::CreateForWebContents(
-        web_contents);
-  }
-
 #if defined(ENABLE_PRINTING)
 #if defined(ENABLE_FULL_PRINTING)
   printing::PrintViewManager::CreateForWebContents(web_contents);
   printing::PrintPreviewMessageHandler::CreateForWebContents(web_contents);
 #else
   printing::PrintViewManagerBasic::CreateForWebContents(web_contents);
 #endif  // defined(ENABLE_FULL_PRINTING)
 #endif  // defined(ENABLE_PRINTING)
 
 #if defined(ENABLE_ONE_CLICK_SIGNIN)
   // If this is not an incognito window, setup to handle one-click login.
   // We don't want to check that the profile is already connected at this time
   // because the connected state may change while this tab is open.  Having a
   // one-click signin helper attached does not cause problems if the profile
   // happens to be already connected.
   if (OneClickSigninHelper::CanOffer(web_contents,
                                      OneClickSigninHelper::CAN_OFFER_FOR_ALL,
                                      std::string(),
                                      NULL)) {
     OneClickSigninHelper::CreateForWebContentsWithPasswordManager(
         web_contents, PasswordManager::FromWebContents(web_contents));
   }
 #endif
 
 #if defined(OS_WIN)
   MetroPinTabHelper::CreateForWebContents(web_contents);
 #endif
 }