Poll CanPredictNetworkActions in Predictor class.

chrome/browser/ui/startup/startup_browser_creator_impl.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/startup/startup_browser_creator_impl.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "apps/app_restore_service.h"
@@ skipping 312 matching lines @@
 
 bool StartupBrowserCreatorImpl::Launch(Profile* profile,
                                        const std::vector<GURL>& urls_to_open,
                                        bool process_startup,
                                        chrome::HostDesktopType desktop_type) {
   DCHECK(profile);
   profile_ = profile;
 
   if (command_line_.HasSwitch(switches::kDnsLogDetails))
     chrome_browser_net::EnablePredictorDetailedLog(true);
-  if (command_line_.HasSwitch(switches::kDnsPrefetchDisable) &&
-      profile->GetNetworkPredictor()) {
-    profile->GetNetworkPredictor()->EnablePredictor(false);
-  }
 
   if (AppListService::HandleLaunchCommandLine(command_line_, profile))
     return true;
 
   if (command_line_.HasSwitch(switches::kAppId)) {
     std::string app_id = command_line_.GetSwitchValueASCII(switches::kAppId);
     const Extension* extension = GetPlatformApp(profile, app_id);
     // If |app_id| is a disabled or terminated platform app we handle it
     // specially here, otherwise it will be handled below.
     if (extension) {
@@ skipping 572 matching lines @@
       // behavior is desired because completing or skipping the sync promo
       // causes a redirect to the NTP.
       if (!startup_urls->empty() &&
           startup_urls->at(0) == GURL(chrome::kChromeUINewTabURL))
         startup_urls->at(0) = sync_promo_url;
       else
         startup_urls->insert(startup_urls->begin(), sync_promo_url);
     }
   }
 }